Home / 447,865.61-618,061.19-243,925.97

Finding the Fourth Proportional to 447,865.61, 618,061.19 and 243,925.97

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Solution

The fourth proportional to 447,865.61, 618,061.19 and 243,925.97 is: 336,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,865.61 : 618,061.19 = 243,925.97 : x
  2. Step 2: Convert to fraction form
    447,865.61/618,061.19 = 243,925.97/x
  3. Step 3: Cross multiply
    447,865.61x = 618,061.19 × 243,925.97
  4. Step 4: Simplify right side
    447,865.61x = 150,761,170,980.17
  5. Step 5: Solve for x
    x = 150,761,170,980.17/447,865.61
  6. Step 6: Final answer
    x = 336,621.45

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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.