Home / 374,732.71-516,985.91-238,742.31

Finding the Fourth Proportional to 374,732.71, 516,985.91 and 238,742.31

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Solution

The fourth proportional to 374,732.71, 516,985.91 and 238,742.31 is: 329,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,732.71 : 516,985.91 = 238,742.31 : x
  2. Step 2: Convert to fraction form
    374,732.71/516,985.91 = 238,742.31/x
  3. Step 3: Cross multiply
    374,732.71x = 516,985.91 × 238,742.31
  4. Step 4: Simplify right side
    374,732.71x = 123,426,410,987.71
  5. Step 5: Solve for x
    x = 123,426,410,987.71/374,732.71
  6. Step 6: Final answer
    x = 329,371.87

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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.