Home / 418,218.72-577,179.48-236,974.74

Finding the Fourth Proportional to 418,218.72, 577,179.48 and 236,974.74

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Solution

The fourth proportional to 418,218.72, 577,179.48 and 236,974.74 is: 327,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,218.72 : 577,179.48 = 236,974.74 : x
  2. Step 2: Convert to fraction form
    418,218.72/577,179.48 = 236,974.74/x
  3. Step 3: Cross multiply
    418,218.72x = 577,179.48 × 236,974.74
  4. Step 4: Simplify right side
    418,218.72x = 136,776,957,206.34
  5. Step 5: Solve for x
    x = 136,776,957,206.34/418,218.72
  6. Step 6: Final answer
    x = 327,046.47

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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.