Home / 402,474.24-555,381.96-232,719.36

Finding the Fourth Proportional to 402,474.24, 555,381.96 and 232,719.36

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Solution

The fourth proportional to 402,474.24, 555,381.96 and 232,719.36 is: 321,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,474.24 : 555,381.96 = 232,719.36 : x
  2. Step 2: Convert to fraction form
    402,474.24/555,381.96 = 232,719.36/x
  3. Step 3: Cross multiply
    402,474.24x = 555,381.96 × 232,719.36
  4. Step 4: Simplify right side
    402,474.24x = 129,248,134,286.75
  5. Step 5: Solve for x
    x = 129,248,134,286.75/402,474.24
  6. Step 6: Final answer
    x = 321,133.93

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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.