Home / 447,737.45-617,888.73-243,799.53

Finding the Fourth Proportional to 447,737.45, 617,888.73 and 243,799.53

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Solution

The fourth proportional to 447,737.45, 617,888.73 and 243,799.53 is: 336,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,737.45 : 617,888.73 = 243,799.53 : x
  2. Step 2: Convert to fraction form
    447,737.45/617,888.73 = 243,799.53/x
  3. Step 3: Cross multiply
    447,737.45x = 617,888.73 × 243,799.53
  4. Step 4: Simplify right side
    447,737.45x = 150,640,981,966.30
  5. Step 5: Solve for x
    x = 150,640,981,966.30/447,737.45
  6. Step 6: Final answer
    x = 336,449.37

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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.