Home / 667,227.60-1,000,914.30-646,232.40

Finding the Fourth Proportional to 667,227.60, 1,000,914.30 and 646,232.40

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Solution

The fourth proportional to 667,227.60, 1,000,914.30 and 646,232.40 is: 969,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,227.60 : 1,000,914.30 = 646,232.40 : x
  2. Step 2: Convert to fraction form
    667,227.60/1,000,914.30 = 646,232.40/x
  3. Step 3: Cross multiply
    667,227.60x = 1,000,914.30 × 646,232.40
  4. Step 4: Simplify right side
    667,227.60x = 646,823,250,283.32
  5. Step 5: Solve for x
    x = 646,823,250,283.32/667,227.60
  6. Step 6: Final answer
    x = 969,419.21

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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.