Home / 721,949.28-996,760.02-463,925.65

Finding the Fourth Proportional to 721,949.28, 996,760.02 and 463,925.65

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Solution

The fourth proportional to 721,949.28, 996,760.02 and 463,925.65 is: 640,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,949.28 : 996,760.02 = 463,925.65 : x
  2. Step 2: Convert to fraction form
    721,949.28/996,760.02 = 463,925.65/x
  3. Step 3: Cross multiply
    721,949.28x = 996,760.02 × 463,925.65
  4. Step 4: Simplify right side
    721,949.28x = 462,422,540,172.51
  5. Step 5: Solve for x
    x = 462,422,540,172.51/721,949.28
  6. Step 6: Final answer
    x = 640,519.43

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Double scale
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1.5x scale

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.