Home / 925,661.40-1,277,531.04-517,785.90

Finding the Fourth Proportional to 925,661.40, 1,277,531.04 and 517,785.90

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Solution

The fourth proportional to 925,661.40, 1,277,531.04 and 517,785.90 is: 714,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,661.40 : 1,277,531.04 = 517,785.90 : x
  2. Step 2: Convert to fraction form
    925,661.40/1,277,531.04 = 517,785.90/x
  3. Step 3: Cross multiply
    925,661.40x = 1,277,531.04 × 517,785.90
  4. Step 4: Simplify right side
    925,661.40x = 661,487,559,324.34
  5. Step 5: Solve for x
    x = 661,487,559,324.34/925,661.40
  6. Step 6: Final answer
    x = 714,610.72

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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.