Home / 442,760.24-611,056.20-270,778.82

Finding the Fourth Proportional to 442,760.24, 611,056.20 and 270,778.82

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Solution

The fourth proportional to 442,760.24, 611,056.20 and 270,778.82 is: 373,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,760.24 : 611,056.20 = 270,778.82 : x
  2. Step 2: Convert to fraction form
    442,760.24/611,056.20 = 270,778.82/x
  3. Step 3: Cross multiply
    442,760.24x = 611,056.20 × 270,778.82
  4. Step 4: Simplify right side
    442,760.24x = 165,461,073,734.40
  5. Step 5: Solve for x
    x = 165,461,073,734.40/442,760.24
  6. Step 6: Final answer
    x = 373,703.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.