Home / 1,185,366.20-1,778,049.30-520,518.20

Finding the Fourth Proportional to 1,185,366.20, 1,778,049.30 and 520,518.20

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Solution

The fourth proportional to 1,185,366.20, 1,778,049.30 and 520,518.20 is: 780,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,366.20 : 1,778,049.30 = 520,518.20 : x
  2. Step 2: Convert to fraction form
    1,185,366.20/1,778,049.30 = 520,518.20/x
  3. Step 3: Cross multiply
    1,185,366.20x = 1,778,049.30 × 520,518.20
  4. Step 4: Simplify right side
    1,185,366.20x = 925,507,021,147.26
  5. Step 5: Solve for x
    x = 925,507,021,147.26/1,185,366.20
  6. Step 6: Final answer
    x = 780,777.30

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Half scale
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Double scale
Find fourth proportional to 1,185,367.20, 1,778,050.80 and 520,519.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.