Home / 767,350.60-1,151,025.90-608,720.20

Finding the Fourth Proportional to 767,350.60, 1,151,025.90 and 608,720.20

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Solution

The fourth proportional to 767,350.60, 1,151,025.90 and 608,720.20 is: 913,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,350.60 : 1,151,025.90 = 608,720.20 : x
  2. Step 2: Convert to fraction form
    767,350.60/1,151,025.90 = 608,720.20/x
  3. Step 3: Cross multiply
    767,350.60x = 1,151,025.90 × 608,720.20
  4. Step 4: Simplify right side
    767,350.60x = 700,652,716,053.18
  5. Step 5: Solve for x
    x = 700,652,716,053.18/767,350.60
  6. Step 6: Final answer
    x = 913,080.30

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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.