Home / 418,209.72-577,110.56-236,917.96

Finding the Fourth Proportional to 418,209.72, 577,110.56 and 236,917.96

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Solution

The fourth proportional to 418,209.72, 577,110.56 and 236,917.96 is: 326,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,209.72 : 577,110.56 = 236,917.96 : x
  2. Step 2: Convert to fraction form
    418,209.72/577,110.56 = 236,917.96/x
  3. Step 3: Cross multiply
    418,209.72x = 577,110.56 × 236,917.96
  4. Step 4: Simplify right side
    418,209.72x = 136,727,856,569.66
  5. Step 5: Solve for x
    x = 136,727,856,569.66/418,209.72
  6. Step 6: Final answer
    x = 326,936.10

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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.