Home / 731,938.10-1,097,907.15-282,679.70

Finding the Fourth Proportional to 731,938.10, 1,097,907.15 and 282,679.70

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Solution

The fourth proportional to 731,938.10, 1,097,907.15 and 282,679.70 is: 424,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,938.10 : 1,097,907.15 = 282,679.70 : x
  2. Step 2: Convert to fraction form
    731,938.10/1,097,907.15 = 282,679.70/x
  3. Step 3: Cross multiply
    731,938.10x = 1,097,907.15 × 282,679.70
  4. Step 4: Simplify right side
    731,938.10x = 310,356,063,789.86
  5. Step 5: Solve for x
    x = 310,356,063,789.86/731,938.10
  6. Step 6: Final answer
    x = 424,019.55

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Double scale
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Similar ratio
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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.