Home / 461,921.40-692,882.10-272,964.60

Finding the Fourth Proportional to 461,921.40, 692,882.10 and 272,964.60

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Solution

The fourth proportional to 461,921.40, 692,882.10 and 272,964.60 is: 409,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,921.40 : 692,882.10 = 272,964.60 : x
  2. Step 2: Convert to fraction form
    461,921.40/692,882.10 = 272,964.60/x
  3. Step 3: Cross multiply
    461,921.40x = 692,882.10 × 272,964.60
  4. Step 4: Simplify right side
    461,921.40x = 189,132,285,273.66
  5. Step 5: Solve for x
    x = 189,132,285,273.66/461,921.40
  6. Step 6: Final answer
    x = 409,446.90

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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.