Home / 727,080.75-1,003,449.20-425,527.47

Finding the Fourth Proportional to 727,080.75, 1,003,449.20 and 425,527.47

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Solution

The fourth proportional to 727,080.75, 1,003,449.20 and 425,527.47 is: 587,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,080.75 : 1,003,449.20 = 425,527.47 : x
  2. Step 2: Convert to fraction form
    727,080.75/1,003,449.20 = 425,527.47/x
  3. Step 3: Cross multiply
    727,080.75x = 1,003,449.20 × 425,527.47
  4. Step 4: Simplify right side
    727,080.75x = 426,995,197,221.89
  5. Step 5: Solve for x
    x = 426,995,197,221.89/727,080.75
  6. Step 6: Final answer
    x = 587,273.42

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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.