Home / 486,023.60-729,035.40-170,366.60

Finding the Fourth Proportional to 486,023.60, 729,035.40 and 170,366.60

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Solution

The fourth proportional to 486,023.60, 729,035.40 and 170,366.60 is: 255,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,023.60 : 729,035.40 = 170,366.60 : x
  2. Step 2: Convert to fraction form
    486,023.60/729,035.40 = 170,366.60/x
  3. Step 3: Cross multiply
    486,023.60x = 729,035.40 × 170,366.60
  4. Step 4: Simplify right side
    486,023.60x = 124,203,282,377.64
  5. Step 5: Solve for x
    x = 124,203,282,377.64/486,023.60
  6. Step 6: Final answer
    x = 255,549.90

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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.