Home / 384,319.20-574,923.60-337,663.20

Finding the Fourth Proportional to 384,319.20, 574,923.60 and 337,663.20

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Solution

The fourth proportional to 384,319.20, 574,923.60 and 337,663.20 is: 505,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,319.20 : 574,923.60 = 337,663.20 : x
  2. Step 2: Convert to fraction form
    384,319.20/574,923.60 = 337,663.20/x
  3. Step 3: Cross multiply
    384,319.20x = 574,923.60 × 337,663.20
  4. Step 4: Simplify right side
    384,319.20x = 194,130,542,531.52
  5. Step 5: Solve for x
    x = 194,130,542,531.52/384,319.20
  6. Step 6: Final answer
    x = 505,128.40

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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.