Home / 757,200.90-1,134,270.45-472,016.10

Finding the Fourth Proportional to 757,200.90, 1,134,270.45 and 472,016.10

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Solution

The fourth proportional to 757,200.90, 1,134,270.45 and 472,016.10 is: 707,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,200.90 : 1,134,270.45 = 472,016.10 : x
  2. Step 2: Convert to fraction form
    757,200.90/1,134,270.45 = 472,016.10/x
  3. Step 3: Cross multiply
    757,200.90x = 1,134,270.45 × 472,016.10
  4. Step 4: Simplify right side
    757,200.90x = 535,393,914,154.25
  5. Step 5: Solve for x
    x = 535,393,914,154.25/757,200.90
  6. Step 6: Final answer
    x = 707,069.83

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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.