Home / 461,921.40-692,882.10-412,932.60

Finding the Fourth Proportional to 461,921.40, 692,882.10 and 412,932.60

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Solution

The fourth proportional to 461,921.40, 692,882.10 and 412,932.60 is: 619,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,921.40 : 692,882.10 = 412,932.60 : x
  2. Step 2: Convert to fraction form
    461,921.40/692,882.10 = 412,932.60/x
  3. Step 3: Cross multiply
    461,921.40x = 692,882.10 × 412,932.60
  4. Step 4: Simplify right side
    461,921.40x = 286,113,607,046.46
  5. Step 5: Solve for x
    x = 286,113,607,046.46/461,921.40
  6. Step 6: Final answer
    x = 619,398.90

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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.