Home / 732,139.60-1,010,323.14-426,224.76

Finding the Fourth Proportional to 732,139.60, 1,010,323.14 and 426,224.76

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Solution

The fourth proportional to 732,139.60, 1,010,323.14 and 426,224.76 is: 588,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,139.60 : 1,010,323.14 = 426,224.76 : x
  2. Step 2: Convert to fraction form
    732,139.60/1,010,323.14 = 426,224.76/x
  3. Step 3: Cross multiply
    732,139.60x = 1,010,323.14 × 426,224.76
  4. Step 4: Simplify right side
    732,139.60x = 430,624,737,868.95
  5. Step 5: Solve for x
    x = 430,624,737,868.95/732,139.60
  6. Step 6: Final answer
    x = 588,172.99

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Half scale
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Double scale
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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.