Home / 497,581.26-686,636.24-282,691.50

Finding the Fourth Proportional to 497,581.26, 686,636.24 and 282,691.50

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Solution

The fourth proportional to 497,581.26, 686,636.24 and 282,691.50 is: 390,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,581.26 : 686,636.24 = 282,691.50 : x
  2. Step 2: Convert to fraction form
    497,581.26/686,636.24 = 282,691.50/x
  3. Step 3: Cross multiply
    497,581.26x = 686,636.24 × 282,691.50
  4. Step 4: Simplify right side
    497,581.26x = 194,106,227,226.50
  5. Step 5: Solve for x
    x = 194,106,227,226.50/497,581.26
  6. Step 6: Final answer
    x = 390,099.55

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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.