Home / 908,354.42-1,253,627.73-500,498.18

Finding the Fourth Proportional to 908,354.42, 1,253,627.73 and 500,498.18

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Solution

The fourth proportional to 908,354.42, 1,253,627.73 and 500,498.18 is: 690,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,354.42 : 1,253,627.73 = 500,498.18 : x
  2. Step 2: Convert to fraction form
    908,354.42/1,253,627.73 = 500,498.18/x
  3. Step 3: Cross multiply
    908,354.42x = 1,253,627.73 × 500,498.18
  4. Step 4: Simplify right side
    908,354.42x = 627,438,397,262.53
  5. Step 5: Solve for x
    x = 627,438,397,262.53/908,354.42
  6. Step 6: Final answer
    x = 690,741.83

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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.