Home / 498,941.22-748,462.23-161,967.78

Finding the Fourth Proportional to 498,941.22, 748,462.23 and 161,967.78

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Solution

The fourth proportional to 498,941.22, 748,462.23 and 161,967.78 is: 242,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,941.22 : 748,462.23 = 161,967.78 : x
  2. Step 2: Convert to fraction form
    498,941.22/748,462.23 = 161,967.78/x
  3. Step 3: Cross multiply
    498,941.22x = 748,462.23 × 161,967.78
  4. Step 4: Simplify right side
    498,941.22x = 121,226,765,806.95
  5. Step 5: Solve for x
    x = 121,226,765,806.95/498,941.22
  6. Step 6: Final answer
    x = 242,968.03

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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.