Home / 418,272.76-577,169.56-236,945.85

Finding the Fourth Proportional to 418,272.76, 577,169.56 and 236,945.85

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Solution

The fourth proportional to 418,272.76, 577,169.56 and 236,945.85 is: 326,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,272.76 : 577,169.56 = 236,945.85 : x
  2. Step 2: Convert to fraction form
    418,272.76/577,169.56 = 236,945.85/x
  3. Step 3: Cross multiply
    418,272.76x = 577,169.56 × 236,945.85
  4. Step 4: Simplify right side
    418,272.76x = 136,757,931,988.33
  5. Step 5: Solve for x
    x = 136,757,931,988.33/418,272.76
  6. Step 6: Final answer
    x = 326,958.73

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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.