Home / 866,337.28-1,299,356.88-235,301.92

Finding the Fourth Proportional to 866,337.28, 1,299,356.88 and 235,301.92

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Solution

The fourth proportional to 866,337.28, 1,299,356.88 and 235,301.92 is: 352,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,337.28 : 1,299,356.88 = 235,301.92 : x
  2. Step 2: Convert to fraction form
    866,337.28/1,299,356.88 = 235,301.92/x
  3. Step 3: Cross multiply
    866,337.28x = 1,299,356.88 × 235,301.92
  4. Step 4: Simplify right side
    866,337.28x = 305,741,168,629.21
  5. Step 5: Solve for x
    x = 305,741,168,629.21/866,337.28
  6. Step 6: Final answer
    x = 352,912.40

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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.