Home / 656,100.20-983,531.10-356,138.60

Finding the Fourth Proportional to 656,100.20, 983,531.10 and 356,138.60

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Solution

The fourth proportional to 656,100.20, 983,531.10 and 356,138.60 is: 533,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,100.20 : 983,531.10 = 356,138.60 : x
  2. Step 2: Convert to fraction form
    656,100.20/983,531.10 = 356,138.60/x
  3. Step 3: Cross multiply
    656,100.20x = 983,531.10 × 356,138.60
  4. Step 4: Simplify right side
    656,100.20x = 350,273,389,010.46
  5. Step 5: Solve for x
    x = 350,273,389,010.46/656,100.20
  6. Step 6: Final answer
    x = 533,871.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.