Home / 771,517.09-1,156,853.76-612,613.76

Finding the Fourth Proportional to 771,517.09, 1,156,853.76 and 612,613.76

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Solution

The fourth proportional to 771,517.09, 1,156,853.76 and 612,613.76 is: 918,585.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,517.09 : 1,156,853.76 = 612,613.76 : x
  2. Step 2: Convert to fraction form
    771,517.09/1,156,853.76 = 612,613.76/x
  3. Step 3: Cross multiply
    771,517.09x = 1,156,853.76 × 612,613.76
  4. Step 4: Simplify right side
    771,517.09x = 708,704,531,683.74
  5. Step 5: Solve for x
    x = 708,704,531,683.74/771,517.09
  6. Step 6: Final answer
    x = 918,585.66

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Double scale
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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.