Home / 1,250,645.40-1,725,892.11-677,680.56

Finding the Fourth Proportional to 1,250,645.40, 1,725,892.11 and 677,680.56

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Solution

The fourth proportional to 1,250,645.40, 1,725,892.11 and 677,680.56 is: 935,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,645.40 : 1,725,892.11 = 677,680.56 : x
  2. Step 2: Convert to fraction form
    1,250,645.40/1,725,892.11 = 677,680.56/x
  3. Step 3: Cross multiply
    1,250,645.40x = 1,725,892.11 × 677,680.56
  4. Step 4: Simplify right side
    1,250,645.40x = 1,169,603,531,604.38
  5. Step 5: Solve for x
    x = 1,169,603,531,604.38/1,250,645.40
  6. Step 6: Final answer
    x = 935,199.96

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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.