Home / 454,067.30-626,488.18-316,091.60

Finding the Fourth Proportional to 454,067.30, 626,488.18 and 316,091.60

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Solution

The fourth proportional to 454,067.30, 626,488.18 and 316,091.60 is: 436,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,067.30 : 626,488.18 = 316,091.60 : x
  2. Step 2: Convert to fraction form
    454,067.30/626,488.18 = 316,091.60/x
  3. Step 3: Cross multiply
    454,067.30x = 626,488.18 × 316,091.60
  4. Step 4: Simplify right side
    454,067.30x = 198,027,651,973.28
  5. Step 5: Solve for x
    x = 198,027,651,973.28/454,067.30
  6. Step 6: Final answer
    x = 436,119.60

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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.