Home / 448,831.60-672,912.60-271,301.20

Finding the Fourth Proportional to 448,831.60, 672,912.60 and 271,301.20

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Solution

The fourth proportional to 448,831.60, 672,912.60 and 271,301.20 is: 406,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,831.60 : 672,912.60 = 271,301.20 : x
  2. Step 2: Convert to fraction form
    448,831.60/672,912.60 = 271,301.20/x
  3. Step 3: Cross multiply
    448,831.60x = 672,912.60 × 271,301.20
  4. Step 4: Simplify right side
    448,831.60x = 182,561,995,875.12
  5. Step 5: Solve for x
    x = 182,561,995,875.12/448,831.60
  6. Step 6: Final answer
    x = 406,749.43

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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.