Home / 896,689.38-1,344,099.85-391,114.62

Finding the Fourth Proportional to 896,689.38, 1,344,099.85 and 391,114.62

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Solution

The fourth proportional to 896,689.38, 1,344,099.85 and 391,114.62 is: 586,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,689.38 : 1,344,099.85 = 391,114.62 : x
  2. Step 2: Convert to fraction form
    896,689.38/1,344,099.85 = 391,114.62/x
  3. Step 3: Cross multiply
    896,689.38x = 1,344,099.85 × 391,114.62
  4. Step 4: Simplify right side
    896,689.38x = 525,697,101,097.02
  5. Step 5: Solve for x
    x = 525,697,101,097.02/896,689.38
  6. Step 6: Final answer
    x = 586,264.44

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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.