Home / 861,488.28-1,292,158.50-524,441.46

Finding the Fourth Proportional to 861,488.28, 1,292,158.50 and 524,441.46

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Solution

The fourth proportional to 861,488.28, 1,292,158.50 and 524,441.46 is: 786,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,488.28 : 1,292,158.50 = 524,441.46 : x
  2. Step 2: Convert to fraction form
    861,488.28/1,292,158.50 = 524,441.46/x
  3. Step 3: Cross multiply
    861,488.28x = 1,292,158.50 × 524,441.46
  4. Step 4: Simplify right side
    861,488.28x = 677,661,490,291.41
  5. Step 5: Solve for x
    x = 677,661,490,291.41/861,488.28
  6. Step 6: Final answer
    x = 786,617.19

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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.