Home / 764,059.60-1,147,313.40-607,589.20

Finding the Fourth Proportional to 764,059.60, 1,147,313.40 and 607,589.20

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Solution

The fourth proportional to 764,059.60, 1,147,313.40 and 607,589.20 is: 912,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,059.60 : 1,147,313.40 = 607,589.20 : x
  2. Step 2: Convert to fraction form
    764,059.60/1,147,313.40 = 607,589.20/x
  3. Step 3: Cross multiply
    764,059.60x = 1,147,313.40 × 607,589.20
  4. Step 4: Simplify right side
    764,059.60x = 697,095,230,855.28
  5. Step 5: Solve for x
    x = 697,095,230,855.28/764,059.60
  6. Step 6: Final answer
    x = 912,357.14

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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.