Home / 451,789.83-623,474.76-247,841.13

Finding the Fourth Proportional to 451,789.83, 623,474.76 and 247,841.13

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Solution

The fourth proportional to 451,789.83, 623,474.76 and 247,841.13 is: 342,023.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,789.83 : 623,474.76 = 247,841.13 : x
  2. Step 2: Convert to fraction form
    451,789.83/623,474.76 = 247,841.13/x
  3. Step 3: Cross multiply
    451,789.83x = 623,474.76 × 247,841.13
  4. Step 4: Simplify right side
    451,789.83x = 154,522,689,044.88
  5. Step 5: Solve for x
    x = 154,522,689,044.88/451,789.83
  6. Step 6: Final answer
    x = 342,023.39

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1.5x scale

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.