Home / 722,119.14-996,540.02-395,445.93

Finding the Fourth Proportional to 722,119.14, 996,540.02 and 395,445.93

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Solution

The fourth proportional to 722,119.14, 996,540.02 and 395,445.93 is: 545,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,119.14 : 996,540.02 = 395,445.93 : x
  2. Step 2: Convert to fraction form
    722,119.14/996,540.02 = 395,445.93/x
  3. Step 3: Cross multiply
    722,119.14x = 996,540.02 × 395,445.93
  4. Step 4: Simplify right side
    722,119.14x = 394,077,693,013.89
  5. Step 5: Solve for x
    x = 394,077,693,013.89/722,119.14
  6. Step 6: Final answer
    x = 545,723.93

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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.