Home / 1,151,143.92-1,726,873.56-392,781.96

Finding the Fourth Proportional to 1,151,143.92, 1,726,873.56 and 392,781.96

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Solution

The fourth proportional to 1,151,143.92, 1,726,873.56 and 392,781.96 is: 589,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,143.92 : 1,726,873.56 = 392,781.96 : x
  2. Step 2: Convert to fraction form
    1,151,143.92/1,726,873.56 = 392,781.96/x
  3. Step 3: Cross multiply
    1,151,143.92x = 1,726,873.56 × 392,781.96
  4. Step 4: Simplify right side
    1,151,143.92x = 678,284,781,568.98
  5. Step 5: Solve for x
    x = 678,284,781,568.98/1,151,143.92
  6. Step 6: Final answer
    x = 589,226.74

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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.