Home / 451,456.38-623,006.37-247,504.86

Finding the Fourth Proportional to 451,456.38, 623,006.37 and 247,504.86

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Solution

The fourth proportional to 451,456.38, 623,006.37 and 247,504.86 is: 341,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,456.38 : 623,006.37 = 247,504.86 : x
  2. Step 2: Convert to fraction form
    451,456.38/623,006.37 = 247,504.86/x
  3. Step 3: Cross multiply
    451,456.38x = 623,006.37 × 247,504.86
  4. Step 4: Simplify right side
    451,456.38x = 154,197,104,385.96
  5. Step 5: Solve for x
    x = 154,197,104,385.96/451,456.38
  6. Step 6: Final answer
    x = 341,554.82

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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.