Home / 667,589.50-1,001,509.80-268,261.93

Finding the Fourth Proportional to 667,589.50, 1,001,509.80 and 268,261.93

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Solution

The fourth proportional to 667,589.50, 1,001,509.80 and 268,261.93 is: 402,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,589.50 : 1,001,509.80 = 268,261.93 : x
  2. Step 2: Convert to fraction form
    667,589.50/1,001,509.80 = 268,261.93/x
  3. Step 3: Cross multiply
    667,589.50x = 1,001,509.80 × 268,261.93
  4. Step 4: Simplify right side
    667,589.50x = 268,666,951,861.91
  5. Step 5: Solve for x
    x = 268,666,951,861.91/667,589.50
  6. Step 6: Final answer
    x = 402,443.35

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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.