Home / 467,917.53-645,569.14-381,727.52

Finding the Fourth Proportional to 467,917.53, 645,569.14 and 381,727.52

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Solution

The fourth proportional to 467,917.53, 645,569.14 and 381,727.52 is: 526,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,917.53 : 645,569.14 = 381,727.52 : x
  2. Step 2: Convert to fraction form
    467,917.53/645,569.14 = 381,727.52/x
  3. Step 3: Cross multiply
    467,917.53x = 645,569.14 × 381,727.52
  4. Step 4: Simplify right side
    467,917.53x = 246,431,508,478.69
  5. Step 5: Solve for x
    x = 246,431,508,478.69/467,917.53
  6. Step 6: Final answer
    x = 526,655.85

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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.