Home / 728,114.40-1,092,171.60-652,006.80

Finding the Fourth Proportional to 728,114.40, 1,092,171.60 and 652,006.80

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Solution

The fourth proportional to 728,114.40, 1,092,171.60 and 652,006.80 is: 978,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,114.40 : 1,092,171.60 = 652,006.80 : x
  2. Step 2: Convert to fraction form
    728,114.40/1,092,171.60 = 652,006.80/x
  3. Step 3: Cross multiply
    728,114.40x = 1,092,171.60 × 652,006.80
  4. Step 4: Simplify right side
    728,114.40x = 712,103,309,966.88
  5. Step 5: Solve for x
    x = 712,103,309,966.88/728,114.40
  6. Step 6: Final answer
    x = 978,010.20

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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.