Home / 836,423.73-1,154,275.25-454,456.89

Finding the Fourth Proportional to 836,423.73, 1,154,275.25 and 454,456.89

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Solution

The fourth proportional to 836,423.73, 1,154,275.25 and 454,456.89 is: 627,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,423.73 : 1,154,275.25 = 454,456.89 : x
  2. Step 2: Convert to fraction form
    836,423.73/1,154,275.25 = 454,456.89/x
  3. Step 3: Cross multiply
    836,423.73x = 1,154,275.25 × 454,456.89
  4. Step 4: Simplify right side
    836,423.73x = 524,568,338,046.69
  5. Step 5: Solve for x
    x = 524,568,338,046.69/836,423.73
  6. Step 6: Final answer
    x = 627,156.21

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1.5x scale

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.