Home / 418,569.25-577,621.49-227,582.64

Finding the Fourth Proportional to 418,569.25, 577,621.49 and 227,582.64

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Solution

The fourth proportional to 418,569.25, 577,621.49 and 227,582.64 is: 314,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,569.25 : 577,621.49 = 227,582.64 : x
  2. Step 2: Convert to fraction form
    418,569.25/577,621.49 = 227,582.64/x
  3. Step 3: Cross multiply
    418,569.25x = 577,621.49 × 227,582.64
  4. Step 4: Simplify right side
    418,569.25x = 131,456,623,614.93
  5. Step 5: Solve for x
    x = 131,456,623,614.93/418,569.25
  6. Step 6: Final answer
    x = 314,061.83

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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.