Home / 472,921.28-652,613.92-258,056.74

Finding the Fourth Proportional to 472,921.28, 652,613.92 and 258,056.74

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Solution

The fourth proportional to 472,921.28, 652,613.92 and 258,056.74 is: 356,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,921.28 : 652,613.92 = 258,056.74 : x
  2. Step 2: Convert to fraction form
    472,921.28/652,613.92 = 258,056.74/x
  3. Step 3: Cross multiply
    472,921.28x = 652,613.92 × 258,056.74
  4. Step 4: Simplify right side
    472,921.28x = 168,411,420,673.82
  5. Step 5: Solve for x
    x = 168,411,420,673.82/472,921.28
  6. Step 6: Final answer
    x = 356,108.78

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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.