Home / 767,846.60-1,151,769.90-515,904.20

Finding the Fourth Proportional to 767,846.60, 1,151,769.90 and 515,904.20

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Solution

The fourth proportional to 767,846.60, 1,151,769.90 and 515,904.20 is: 773,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,846.60 : 1,151,769.90 = 515,904.20 : x
  2. Step 2: Convert to fraction form
    767,846.60/1,151,769.90 = 515,904.20/x
  3. Step 3: Cross multiply
    767,846.60x = 1,151,769.90 × 515,904.20
  4. Step 4: Simplify right side
    767,846.60x = 594,202,928,843.58
  5. Step 5: Solve for x
    x = 594,202,928,843.58/767,846.60
  6. Step 6: Final answer
    x = 773,856.30

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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.