Home / 598,843.56-826,543.04-394,931.28

Finding the Fourth Proportional to 598,843.56, 826,543.04 and 394,931.28

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Solution

The fourth proportional to 598,843.56, 826,543.04 and 394,931.28 is: 545,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,843.56 : 826,543.04 = 394,931.28 : x
  2. Step 2: Convert to fraction form
    598,843.56/826,543.04 = 394,931.28/x
  3. Step 3: Cross multiply
    598,843.56x = 826,543.04 × 394,931.28
  4. Step 4: Simplify right side
    598,843.56x = 326,427,700,762.29
  5. Step 5: Solve for x
    x = 326,427,700,762.29/598,843.56
  6. Step 6: Final answer
    x = 545,096.79

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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.