Home / 767,818.60-1,151,727.90-515,876.20

Finding the Fourth Proportional to 767,818.60, 1,151,727.90 and 515,876.20

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Solution

The fourth proportional to 767,818.60, 1,151,727.90 and 515,876.20 is: 773,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,818.60 : 1,151,727.90 = 515,876.20 : x
  2. Step 2: Convert to fraction form
    767,818.60/1,151,727.90 = 515,876.20/x
  3. Step 3: Cross multiply
    767,818.60x = 1,151,727.90 × 515,876.20
  4. Step 4: Simplify right side
    767,818.60x = 594,149,012,485.98
  5. Step 5: Solve for x
    x = 594,149,012,485.98/767,818.60
  6. Step 6: Final answer
    x = 773,814.30

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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.