Home / 392,527.32-541,686.14-220,421.34

Finding the Fourth Proportional to 392,527.32, 541,686.14 and 220,421.34

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Solution

The fourth proportional to 392,527.32, 541,686.14 and 220,421.34 is: 304,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,527.32 : 541,686.14 = 220,421.34 : x
  2. Step 2: Convert to fraction form
    392,527.32/541,686.14 = 220,421.34/x
  3. Step 3: Cross multiply
    392,527.32x = 541,686.14 × 220,421.34
  4. Step 4: Simplify right side
    392,527.32x = 119,399,184,838.23
  5. Step 5: Solve for x
    x = 119,399,184,838.23/392,527.32
  6. Step 6: Final answer
    x = 304,180.57

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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.