Home / 732,453.60-1,098,680.40-519,877.20

Finding the Fourth Proportional to 732,453.60, 1,098,680.40 and 519,877.20

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Solution

The fourth proportional to 732,453.60, 1,098,680.40 and 519,877.20 is: 779,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,453.60 : 1,098,680.40 = 519,877.20 : x
  2. Step 2: Convert to fraction form
    732,453.60/1,098,680.40 = 519,877.20/x
  3. Step 3: Cross multiply
    732,453.60x = 1,098,680.40 × 519,877.20
  4. Step 4: Simplify right side
    732,453.60x = 571,178,890,046.88
  5. Step 5: Solve for x
    x = 571,178,890,046.88/732,453.60
  6. Step 6: Final answer
    x = 779,815.80

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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.