Home / 1,185,686.20-1,778,529.30-299,222.20

Finding the Fourth Proportional to 1,185,686.20, 1,778,529.30 and 299,222.20

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Solution

The fourth proportional to 1,185,686.20, 1,778,529.30 and 299,222.20 is: 448,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,686.20 : 1,778,529.30 = 299,222.20 : x
  2. Step 2: Convert to fraction form
    1,185,686.20/1,778,529.30 = 299,222.20/x
  3. Step 3: Cross multiply
    1,185,686.20x = 1,778,529.30 × 299,222.20
  4. Step 4: Simplify right side
    1,185,686.20x = 532,175,449,910.46
  5. Step 5: Solve for x
    x = 532,175,449,910.46/1,185,686.20
  6. Step 6: Final answer
    x = 448,833.30

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Half scale
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Double scale
Find fourth proportional to 1,185,687.20, 1,778,530.80 and 299,223.20
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.