Home / 391,127.09-586,685.69-124,884.23

Finding the Fourth Proportional to 391,127.09, 586,685.69 and 124,884.23

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Solution

The fourth proportional to 391,127.09, 586,685.69 and 124,884.23 is: 187,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,127.09 : 586,685.69 = 124,884.23 : x
  2. Step 2: Convert to fraction form
    391,127.09/586,685.69 = 124,884.23/x
  3. Step 3: Cross multiply
    391,127.09x = 586,685.69 × 124,884.23
  4. Step 4: Simplify right side
    391,127.09x = 73,267,790,023.25
  5. Step 5: Solve for x
    x = 73,267,790,023.25/391,127.09
  6. Step 6: Final answer
    x = 187,324.76

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1.5x scale

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.