Home / 447,127.38-670,870.28-162,837.74

Finding the Fourth Proportional to 447,127.38, 670,870.28 and 162,837.74

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Solution

The fourth proportional to 447,127.38, 670,870.28 and 162,837.74 is: 244,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,127.38 : 670,870.28 = 162,837.74 : x
  2. Step 2: Convert to fraction form
    447,127.38/670,870.28 = 162,837.74/x
  3. Step 3: Cross multiply
    447,127.38x = 670,870.28 × 162,837.74
  4. Step 4: Simplify right side
    447,127.38x = 109,243,002,312.64
  5. Step 5: Solve for x
    x = 109,243,002,312.64/447,127.38
  6. Step 6: Final answer
    x = 244,321.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.