Home / 418,086.30-577,135.76-282,304.11

Finding the Fourth Proportional to 418,086.30, 577,135.76 and 282,304.11

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Solution

The fourth proportional to 418,086.30, 577,135.76 and 282,304.11 is: 389,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,086.30 : 577,135.76 = 282,304.11 : x
  2. Step 2: Convert to fraction form
    418,086.30/577,135.76 = 282,304.11/x
  3. Step 3: Cross multiply
    418,086.30x = 577,135.76 × 282,304.11
  4. Step 4: Simplify right side
    418,086.30x = 162,927,795,664.45
  5. Step 5: Solve for x
    x = 162,927,795,664.45/418,086.30
  6. Step 6: Final answer
    x = 389,698.96

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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.