Home / 598,823.82-826,646.31-394,995.42

Finding the Fourth Proportional to 598,823.82, 826,646.31 and 394,995.42

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Solution

The fourth proportional to 598,823.82, 826,646.31 and 394,995.42 is: 545,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,823.82 : 826,646.31 = 394,995.42 : x
  2. Step 2: Convert to fraction form
    598,823.82/826,646.31 = 394,995.42/x
  3. Step 3: Cross multiply
    598,823.82x = 826,646.31 × 394,995.42
  4. Step 4: Simplify right side
    598,823.82x = 326,521,506,409.90
  5. Step 5: Solve for x
    x = 326,521,506,409.90/598,823.82
  6. Step 6: Final answer
    x = 545,271.41

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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.