Home / 418,740.45-577,833.39-227,749.74

Finding the Fourth Proportional to 418,740.45, 577,833.39 and 227,749.74

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Solution

The fourth proportional to 418,740.45, 577,833.39 and 227,749.74 is: 314,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,740.45 : 577,833.39 = 227,749.74 : x
  2. Step 2: Convert to fraction form
    418,740.45/577,833.39 = 227,749.74/x
  3. Step 3: Cross multiply
    418,740.45x = 577,833.39 × 227,749.74
  4. Step 4: Simplify right side
    418,740.45x = 131,601,404,335.82
  5. Step 5: Solve for x
    x = 131,601,404,335.82/418,740.45
  6. Step 6: Final answer
    x = 314,279.18

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1.5x scale

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.