Home / 1,712,371.16-2,568,676.55-687,701.51

Finding the Fourth Proportional to 1,712,371.16, 2,568,676.55 and 687,701.51

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Solution

The fourth proportional to 1,712,371.16, 2,568,676.55 and 687,701.51 is: 1,031,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,371.16 : 2,568,676.55 = 687,701.51 : x
  2. Step 2: Convert to fraction form
    1,712,371.16/2,568,676.55 = 687,701.51/x
  3. Step 3: Cross multiply
    1,712,371.16x = 2,568,676.55 × 687,701.51
  4. Step 4: Simplify right side
    1,712,371.16x = 1,766,482,725,854.70
  5. Step 5: Solve for x
    x = 1,766,482,725,854.70/1,712,371.16
  6. Step 6: Final answer
    x = 1,031,600.38

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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.