Home / 418,254.61-577,194.89-227,268.02

Finding the Fourth Proportional to 418,254.61, 577,194.89 and 227,268.02

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Solution

The fourth proportional to 418,254.61, 577,194.89 and 227,268.02 is: 313,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,254.61 : 577,194.89 = 227,268.02 : x
  2. Step 2: Convert to fraction form
    418,254.61/577,194.89 = 227,268.02/x
  3. Step 3: Cross multiply
    418,254.61x = 577,194.89 × 227,268.02
  4. Step 4: Simplify right side
    418,254.61x = 131,177,938,668.08
  5. Step 5: Solve for x
    x = 131,177,938,668.08/418,254.61
  6. Step 6: Final answer
    x = 313,631.78

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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.