Home / 598,641.21-826,144.08-340,511.49

Finding the Fourth Proportional to 598,641.21, 826,144.08 and 340,511.49

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Solution

The fourth proportional to 598,641.21, 826,144.08 and 340,511.49 is: 469,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,641.21 : 826,144.08 = 340,511.49 : x
  2. Step 2: Convert to fraction form
    598,641.21/826,144.08 = 340,511.49/x
  3. Step 3: Cross multiply
    598,641.21x = 826,144.08 × 340,511.49
  4. Step 4: Simplify right side
    598,641.21x = 281,311,551,635.48
  5. Step 5: Solve for x
    x = 281,311,551,635.48/598,641.21
  6. Step 6: Final answer
    x = 469,916.78

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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.