Home / 762,290.04-1,141,910.60-458,516.43

Finding the Fourth Proportional to 762,290.04, 1,141,910.60 and 458,516.43

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Solution

The fourth proportional to 762,290.04, 1,141,910.60 and 458,516.43 is: 686,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,290.04 : 1,141,910.60 = 458,516.43 : x
  2. Step 2: Convert to fraction form
    762,290.04/1,141,910.60 = 458,516.43/x
  3. Step 3: Cross multiply
    762,290.04x = 1,141,910.60 × 458,516.43
  4. Step 4: Simplify right side
    762,290.04x = 523,584,771,691.16
  5. Step 5: Solve for x
    x = 523,584,771,691.16/762,290.04
  6. Step 6: Final answer
    x = 686,857.68

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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.