Home / 429,836.40-593,147.10-238,838.40

Finding the Fourth Proportional to 429,836.40, 593,147.10 and 238,838.40

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Solution

The fourth proportional to 429,836.40, 593,147.10 and 238,838.40 is: 329,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,836.40 : 593,147.10 = 238,838.40 : x
  2. Step 2: Convert to fraction form
    429,836.40/593,147.10 = 238,838.40/x
  3. Step 3: Cross multiply
    429,836.40x = 593,147.10 × 238,838.40
  4. Step 4: Simplify right side
    429,836.40x = 141,666,304,328.64
  5. Step 5: Solve for x
    x = 141,666,304,328.64/429,836.40
  6. Step 6: Final answer
    x = 329,581.92

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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.