Home / 529,418.16-794,041.92-192,445.20

Finding the Fourth Proportional to 529,418.16, 794,041.92 and 192,445.20

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Solution

The fourth proportional to 529,418.16, 794,041.92 and 192,445.20 is: 288,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,418.16 : 794,041.92 = 192,445.20 : x
  2. Step 2: Convert to fraction form
    529,418.16/794,041.92 = 192,445.20/x
  3. Step 3: Cross multiply
    529,418.16x = 794,041.92 × 192,445.20
  4. Step 4: Simplify right side
    529,418.16x = 152,809,556,102.78
  5. Step 5: Solve for x
    x = 152,809,556,102.78/529,418.16
  6. Step 6: Final answer
    x = 288,636.79

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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.