Home / 866,150.46-1,299,605.49-411,070.38

Finding the Fourth Proportional to 866,150.46, 1,299,605.49 and 411,070.38

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Solution

The fourth proportional to 866,150.46, 1,299,605.49 and 411,070.38 is: 616,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,150.46 : 1,299,605.49 = 411,070.38 : x
  2. Step 2: Convert to fraction form
    866,150.46/1,299,605.49 = 411,070.38/x
  3. Step 3: Cross multiply
    866,150.46x = 1,299,605.49 × 411,070.38
  4. Step 4: Simplify right side
    866,150.46x = 534,229,322,624.39
  5. Step 5: Solve for x
    x = 534,229,322,624.39/866,150.46
  6. Step 6: Final answer
    x = 616,785.82

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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.