Home / 730,145.05-1,012,755.24-710,724.49

Finding the Fourth Proportional to 730,145.05, 1,012,755.24 and 710,724.49

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Solution

The fourth proportional to 730,145.05, 1,012,755.24 and 710,724.49 is: 985,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,145.05 : 1,012,755.24 = 710,724.49 : x
  2. Step 2: Convert to fraction form
    730,145.05/1,012,755.24 = 710,724.49/x
  3. Step 3: Cross multiply
    730,145.05x = 1,012,755.24 × 710,724.49
  4. Step 4: Simplify right side
    730,145.05x = 719,789,948,911.94
  5. Step 5: Solve for x
    x = 719,789,948,911.94/730,145.05
  6. Step 6: Final answer
    x = 985,817.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.