Home / 441,024.40-660,856.20-328,175.20

Finding the Fourth Proportional to 441,024.40, 660,856.20 and 328,175.20

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Solution

The fourth proportional to 441,024.40, 660,856.20 and 328,175.20 is: 491,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,024.40 : 660,856.20 = 328,175.20 : x
  2. Step 2: Convert to fraction form
    441,024.40/660,856.20 = 328,175.20/x
  3. Step 3: Cross multiply
    441,024.40x = 660,856.20 × 328,175.20
  4. Step 4: Simplify right side
    441,024.40x = 216,876,615,606.24
  5. Step 5: Solve for x
    x = 216,876,615,606.24/441,024.40
  6. Step 6: Final answer
    x = 491,756.50

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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.