Home / 447,728.59-617,877.24-243,788.11

Finding the Fourth Proportional to 447,728.59, 617,877.24 and 243,788.11

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Solution

The fourth proportional to 447,728.59, 617,877.24 and 243,788.11 is: 336,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,728.59 : 617,877.24 = 243,788.11 : x
  2. Step 2: Convert to fraction form
    447,728.59/617,877.24 = 243,788.11/x
  3. Step 3: Cross multiply
    447,728.59x = 617,877.24 × 243,788.11
  4. Step 4: Simplify right side
    447,728.59x = 150,631,122,092.72
  5. Step 5: Solve for x
    x = 150,631,122,092.72/447,728.59
  6. Step 6: Final answer
    x = 336,434.00

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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.