Home / 390,526.12-585,789.26-110,006.92

Finding the Fourth Proportional to 390,526.12, 585,789.26 and 110,006.92

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Solution

The fourth proportional to 390,526.12, 585,789.26 and 110,006.92 is: 165,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,526.12 : 585,789.26 = 110,006.92 : x
  2. Step 2: Convert to fraction form
    390,526.12/585,789.26 = 110,006.92/x
  3. Step 3: Cross multiply
    390,526.12x = 585,789.26 × 110,006.92
  4. Step 4: Simplify right side
    390,526.12x = 64,440,872,261.68
  5. Step 5: Solve for x
    x = 64,440,872,261.68/390,526.12
  6. Step 6: Final answer
    x = 165,010.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.