Home / 1,454,423.64-2,181,629.48-443,542.62

Finding the Fourth Proportional to 1,454,423.64, 2,181,629.48 and 443,542.62

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Solution

The fourth proportional to 1,454,423.64, 2,181,629.48 and 443,542.62 is: 665,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,423.64 : 2,181,629.48 = 443,542.62 : x
  2. Step 2: Convert to fraction form
    1,454,423.64/2,181,629.48 = 443,542.62/x
  3. Step 3: Cross multiply
    1,454,423.64x = 2,181,629.48 × 443,542.62
  4. Step 4: Simplify right side
    1,454,423.64x = 967,645,655,428.44
  5. Step 5: Solve for x
    x = 967,645,655,428.44/1,454,423.64
  6. Step 6: Final answer
    x = 665,312.11

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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.