Home / 764,713.20-1,147,069.80-650,551.80

Finding the Fourth Proportional to 764,713.20, 1,147,069.80 and 650,551.80

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Solution

The fourth proportional to 764,713.20, 1,147,069.80 and 650,551.80 is: 975,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,713.20 : 1,147,069.80 = 650,551.80 : x
  2. Step 2: Convert to fraction form
    764,713.20/1,147,069.80 = 650,551.80/x
  3. Step 3: Cross multiply
    764,713.20x = 1,147,069.80 × 650,551.80
  4. Step 4: Simplify right side
    764,713.20x = 746,228,323,115.64
  5. Step 5: Solve for x
    x = 746,228,323,115.64/764,713.20
  6. Step 6: Final answer
    x = 975,827.70

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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.