Home / 429,921.91-592,734.40-276,686.11

Finding the Fourth Proportional to 429,921.91, 592,734.40 and 276,686.11

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Solution

The fourth proportional to 429,921.91, 592,734.40 and 276,686.11 is: 381,467.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,921.91 : 592,734.40 = 276,686.11 : x
  2. Step 2: Convert to fraction form
    429,921.91/592,734.40 = 276,686.11/x
  3. Step 3: Cross multiply
    429,921.91x = 592,734.40 × 276,686.11
  4. Step 4: Simplify right side
    429,921.91x = 164,001,375,399.18
  5. Step 5: Solve for x
    x = 164,001,375,399.18/429,921.91
  6. Step 6: Final answer
    x = 381,467.82

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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.