Home / 667,590.50-1,001,511.30-268,262.93

Finding the Fourth Proportional to 667,590.50, 1,001,511.30 and 268,262.93

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Solution

The fourth proportional to 667,590.50, 1,001,511.30 and 268,262.93 is: 402,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,590.50 : 1,001,511.30 = 268,262.93 : x
  2. Step 2: Convert to fraction form
    667,590.50/1,001,511.30 = 268,262.93/x
  3. Step 3: Cross multiply
    667,590.50x = 1,001,511.30 × 268,262.93
  4. Step 4: Simplify right side
    667,590.50x = 268,668,355,766.11
  5. Step 5: Solve for x
    x = 268,668,355,766.11/667,590.50
  6. Step 6: Final answer
    x = 402,444.85

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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.