Home / 441,929.40-662,213.70-329,080.20

Finding the Fourth Proportional to 441,929.40, 662,213.70 and 329,080.20

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Solution

The fourth proportional to 441,929.40, 662,213.70 and 329,080.20 is: 493,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,929.40 : 662,213.70 = 329,080.20 : x
  2. Step 2: Convert to fraction form
    441,929.40/662,213.70 = 329,080.20/x
  3. Step 3: Cross multiply
    441,929.40x = 662,213.70 × 329,080.20
  4. Step 4: Simplify right side
    441,929.40x = 217,921,416,838.74
  5. Step 5: Solve for x
    x = 217,921,416,838.74/441,929.40
  6. Step 6: Final answer
    x = 493,113.64

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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.