Home / 731,314.80-1,096,972.20-492,166.35

Finding the Fourth Proportional to 731,314.80, 1,096,972.20 and 492,166.35

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Solution

The fourth proportional to 731,314.80, 1,096,972.20 and 492,166.35 is: 738,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,314.80 : 1,096,972.20 = 492,166.35 : x
  2. Step 2: Convert to fraction form
    731,314.80/1,096,972.20 = 492,166.35/x
  3. Step 3: Cross multiply
    731,314.80x = 1,096,972.20 × 492,166.35
  4. Step 4: Simplify right side
    731,314.80x = 539,892,803,725.47
  5. Step 5: Solve for x
    x = 539,892,803,725.47/731,314.80
  6. Step 6: Final answer
    x = 738,249.53

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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.