Home / 374,329.90-516,633.51-238,422.10

Finding the Fourth Proportional to 374,329.90, 516,633.51 and 238,422.10

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Solution

The fourth proportional to 374,329.90, 516,633.51 and 238,422.10 is: 329,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,329.90 : 516,633.51 = 238,422.10 : x
  2. Step 2: Convert to fraction form
    374,329.90/516,633.51 = 238,422.10/x
  3. Step 3: Cross multiply
    374,329.90x = 516,633.51 × 238,422.10
  4. Step 4: Simplify right side
    374,329.90x = 123,176,846,384.57
  5. Step 5: Solve for x
    x = 123,176,846,384.57/374,329.90
  6. Step 6: Final answer
    x = 329,059.60

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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.