Home / 772,169.24-1,157,564.94-392,877.83

Finding the Fourth Proportional to 772,169.24, 1,157,564.94 and 392,877.83

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Solution

The fourth proportional to 772,169.24, 1,157,564.94 and 392,877.83 is: 588,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,169.24 : 1,157,564.94 = 392,877.83 : x
  2. Step 2: Convert to fraction form
    772,169.24/1,157,564.94 = 392,877.83/x
  3. Step 3: Cross multiply
    772,169.24x = 1,157,564.94 × 392,877.83
  4. Step 4: Simplify right side
    772,169.24x = 454,781,595,923.46
  5. Step 5: Solve for x
    x = 454,781,595,923.46/772,169.24
  6. Step 6: Final answer
    x = 588,966.22

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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.