Home / 732,905.13-1,010,989.82-426,949.28

Finding the Fourth Proportional to 732,905.13, 1,010,989.82 and 426,949.28

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Solution

The fourth proportional to 732,905.13, 1,010,989.82 and 426,949.28 is: 588,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,905.13 : 1,010,989.82 = 426,949.28 : x
  2. Step 2: Convert to fraction form
    732,905.13/1,010,989.82 = 426,949.28/x
  3. Step 3: Cross multiply
    732,905.13x = 1,010,989.82 × 426,949.28
  4. Step 4: Simplify right side
    732,905.13x = 431,641,371,748.75
  5. Step 5: Solve for x
    x = 431,641,371,748.75/732,905.13
  6. Step 6: Final answer
    x = 588,945.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.