Home / 438,824.48-658,236.88-106,400.48

Finding the Fourth Proportional to 438,824.48, 658,236.88 and 106,400.48

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Solution

The fourth proportional to 438,824.48, 658,236.88 and 106,400.48 is: 159,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,824.48 : 658,236.88 = 106,400.48 : x
  2. Step 2: Convert to fraction form
    438,824.48/658,236.88 = 106,400.48/x
  3. Step 3: Cross multiply
    438,824.48x = 658,236.88 × 106,400.48
  4. Step 4: Simplify right side
    438,824.48x = 70,036,719,985.70
  5. Step 5: Solve for x
    x = 70,036,719,985.70/438,824.48
  6. Step 6: Final answer
    x = 159,600.76

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1.5x scale

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.