Home / 439,347.72-606,314.20-243,116.46

Finding the Fourth Proportional to 439,347.72, 606,314.20 and 243,116.46

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Solution

The fourth proportional to 439,347.72, 606,314.20 and 243,116.46 is: 335,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,347.72 : 606,314.20 = 243,116.46 : x
  2. Step 2: Convert to fraction form
    439,347.72/606,314.20 = 243,116.46/x
  3. Step 3: Cross multiply
    439,347.72x = 606,314.20 × 243,116.46
  4. Step 4: Simplify right side
    439,347.72x = 147,404,961,951.73
  5. Step 5: Solve for x
    x = 147,404,961,951.73/439,347.72
  6. Step 6: Final answer
    x = 335,508.65

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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.