Home / 429,023.04-591,695.04-321,831.04

Finding the Fourth Proportional to 429,023.04, 591,695.04 and 321,831.04

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Solution

The fourth proportional to 429,023.04, 591,695.04 and 321,831.04 is: 443,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,023.04 : 591,695.04 = 321,831.04 : x
  2. Step 2: Convert to fraction form
    429,023.04/591,695.04 = 321,831.04/x
  3. Step 3: Cross multiply
    429,023.04x = 591,695.04 × 321,831.04
  4. Step 4: Simplify right side
    429,023.04x = 190,425,830,086.04
  5. Step 5: Solve for x
    x = 190,425,830,086.04/429,023.04
  6. Step 6: Final answer
    x = 443,859.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.