Home / 598,418.40-897,668.10-243,438.60

Finding the Fourth Proportional to 598,418.40, 897,668.10 and 243,438.60

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Solution

The fourth proportional to 598,418.40, 897,668.10 and 243,438.60 is: 365,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,418.40 : 897,668.10 = 243,438.60 : x
  2. Step 2: Convert to fraction form
    598,418.40/897,668.10 = 243,438.60/x
  3. Step 3: Cross multiply
    598,418.40x = 897,668.10 × 243,438.60
  4. Step 4: Simplify right side
    598,418.40x = 218,527,065,528.66
  5. Step 5: Solve for x
    x = 218,527,065,528.66/598,418.40
  6. Step 6: Final answer
    x = 365,174.38

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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.