Home / 836,454.73-1,154,318.03-454,487.89

Finding the Fourth Proportional to 836,454.73, 1,154,318.03 and 454,487.89

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Solution

The fourth proportional to 836,454.73, 1,154,318.03 and 454,487.89 is: 627,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,454.73 : 1,154,318.03 = 454,487.89 : x
  2. Step 2: Convert to fraction form
    836,454.73/1,154,318.03 = 454,487.89/x
  3. Step 3: Cross multiply
    836,454.73x = 1,154,318.03 × 454,487.89
  4. Step 4: Simplify right side
    836,454.73x = 524,623,565,843.66
  5. Step 5: Solve for x
    x = 524,623,565,843.66/836,454.73
  6. Step 6: Final answer
    x = 627,198.99

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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.