Home / 709,186.20-1,063,779.30-550,555.80

Finding the Fourth Proportional to 709,186.20, 1,063,779.30 and 550,555.80

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Solution

The fourth proportional to 709,186.20, 1,063,779.30 and 550,555.80 is: 825,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,186.20 : 1,063,779.30 = 550,555.80 : x
  2. Step 2: Convert to fraction form
    709,186.20/1,063,779.30 = 550,555.80/x
  3. Step 3: Cross multiply
    709,186.20x = 1,063,779.30 × 550,555.80
  4. Step 4: Simplify right side
    709,186.20x = 585,669,863,534.94
  5. Step 5: Solve for x
    x = 585,669,863,534.94/709,186.20
  6. Step 6: Final answer
    x = 825,833.70

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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.