Home / 866,607.38-1,299,648.60-235,439.18

Finding the Fourth Proportional to 866,607.38, 1,299,648.60 and 235,439.18

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Solution

The fourth proportional to 866,607.38, 1,299,648.60 and 235,439.18 is: 353,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,607.38 : 1,299,648.60 = 235,439.18 : x
  2. Step 2: Convert to fraction form
    866,607.38/1,299,648.60 = 235,439.18/x
  3. Step 3: Cross multiply
    866,607.38x = 1,299,648.60 × 235,439.18
  4. Step 4: Simplify right side
    866,607.38x = 305,988,200,672.15
  5. Step 5: Solve for x
    x = 305,988,200,672.15/866,607.38
  6. Step 6: Final answer
    x = 353,087.46

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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.