Home / 864,207.36-1,192,273.56-541,355.40

Finding the Fourth Proportional to 864,207.36, 1,192,273.56 and 541,355.40

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Solution

The fourth proportional to 864,207.36, 1,192,273.56 and 541,355.40 is: 746,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,207.36 : 1,192,273.56 = 541,355.40 : x
  2. Step 2: Convert to fraction form
    864,207.36/1,192,273.56 = 541,355.40/x
  3. Step 3: Cross multiply
    864,207.36x = 1,192,273.56 × 541,355.40
  4. Step 4: Simplify right side
    864,207.36x = 645,443,729,983.22
  5. Step 5: Solve for x
    x = 645,443,729,983.22/864,207.36
  6. Step 6: Final answer
    x = 746,862.11

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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.