Home / 919,050.20-1,378,575.30-682,854.20

Finding the Fourth Proportional to 919,050.20, 1,378,575.30 and 682,854.20

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Solution

The fourth proportional to 919,050.20, 1,378,575.30 and 682,854.20 is: 1,024,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,050.20 : 1,378,575.30 = 682,854.20 : x
  2. Step 2: Convert to fraction form
    919,050.20/1,378,575.30 = 682,854.20/x
  3. Step 3: Cross multiply
    919,050.20x = 1,378,575.30 × 682,854.20
  4. Step 4: Simplify right side
    919,050.20x = 941,365,933,621.26
  5. Step 5: Solve for x
    x = 941,365,933,621.26/919,050.20
  6. Step 6: Final answer
    x = 1,024,281.30

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Double scale
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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.