Home / 708,966.30-1,063,449.45-259,537.80

Finding the Fourth Proportional to 708,966.30, 1,063,449.45 and 259,537.80

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Solution

The fourth proportional to 708,966.30, 1,063,449.45 and 259,537.80 is: 389,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,966.30 : 1,063,449.45 = 259,537.80 : x
  2. Step 2: Convert to fraction form
    708,966.30/1,063,449.45 = 259,537.80/x
  3. Step 3: Cross multiply
    708,966.30x = 1,063,449.45 × 259,537.80
  4. Step 4: Simplify right side
    708,966.30x = 276,005,330,664.21
  5. Step 5: Solve for x
    x = 276,005,330,664.21/708,966.30
  6. Step 6: Final answer
    x = 389,306.70

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Double scale
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Similar ratio
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1.5x scale

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.