Home / 838,820.58-1,157,686.56-494,753.82

Finding the Fourth Proportional to 838,820.58, 1,157,686.56 and 494,753.82

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Solution

The fourth proportional to 838,820.58, 1,157,686.56 and 494,753.82 is: 682,827.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,820.58 : 1,157,686.56 = 494,753.82 : x
  2. Step 2: Convert to fraction form
    838,820.58/1,157,686.56 = 494,753.82/x
  3. Step 3: Cross multiply
    838,820.58x = 1,157,686.56 × 494,753.82
  4. Step 4: Simplify right side
    838,820.58x = 572,769,847,922.66
  5. Step 5: Solve for x
    x = 572,769,847,922.66/838,820.58
  6. Step 6: Final answer
    x = 682,827.61

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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.