Home / 447,788.80-617,948.59-243,839.66

Finding the Fourth Proportional to 447,788.80, 617,948.59 and 243,839.66

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Solution

The fourth proportional to 447,788.80, 617,948.59 and 243,839.66 is: 336,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,788.80 : 617,948.59 = 243,839.66 : x
  2. Step 2: Convert to fraction form
    447,788.80/617,948.59 = 243,839.66/x
  3. Step 3: Cross multiply
    447,788.80x = 617,948.59 × 243,839.66
  4. Step 4: Simplify right side
    447,788.80x = 150,680,375,018.35
  5. Step 5: Solve for x
    x = 150,680,375,018.35/447,788.80
  6. Step 6: Final answer
    x = 336,498.76

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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.