Home / 1,000,170.31-1,380,236.69-541,285.28

Finding the Fourth Proportional to 1,000,170.31, 1,380,236.69 and 541,285.28

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Solution

The fourth proportional to 1,000,170.31, 1,380,236.69 and 541,285.28 is: 746,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,170.31 : 1,380,236.69 = 541,285.28 : x
  2. Step 2: Convert to fraction form
    1,000,170.31/1,380,236.69 = 541,285.28/x
  3. Step 3: Cross multiply
    1,000,170.31x = 1,380,236.69 × 541,285.28
  4. Step 4: Simplify right side
    1,000,170.31x = 747,101,808,016.73
  5. Step 5: Solve for x
    x = 747,101,808,016.73/1,000,170.31
  6. Step 6: Final answer
    x = 746,974.59

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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.