Home / 764,433.30-1,146,645.90-195,813.30

Finding the Fourth Proportional to 764,433.30, 1,146,645.90 and 195,813.30

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Solution

The fourth proportional to 764,433.30, 1,146,645.90 and 195,813.30 is: 293,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,433.30 : 1,146,645.90 = 195,813.30 : x
  2. Step 2: Convert to fraction form
    764,433.30/1,146,645.90 = 195,813.30/x
  3. Step 3: Cross multiply
    764,433.30x = 1,146,645.90 × 195,813.30
  4. Step 4: Simplify right side
    764,433.30x = 224,528,517,610.47
  5. Step 5: Solve for x
    x = 224,528,517,610.47/764,433.30
  6. Step 6: Final answer
    x = 293,718.91

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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.