Home / 1,251,107.70-1,726,532.31-678,150.12

Finding the Fourth Proportional to 1,251,107.70, 1,726,532.31 and 678,150.12

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Solution

The fourth proportional to 1,251,107.70, 1,726,532.31 and 678,150.12 is: 935,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,107.70 : 1,726,532.31 = 678,150.12 : x
  2. Step 2: Convert to fraction form
    1,251,107.70/1,726,532.31 = 678,150.12/x
  3. Step 3: Cross multiply
    1,251,107.70x = 1,726,532.31 × 678,150.12
  4. Step 4: Simplify right side
    1,251,107.70x = 1,170,848,093,210.38
  5. Step 5: Solve for x
    x = 1,170,848,093,210.38/1,251,107.70
  6. Step 6: Final answer
    x = 935,849.16

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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.