Home / 1,712,406.47-2,568,729.65-687,736.82

Finding the Fourth Proportional to 1,712,406.47, 2,568,729.65 and 687,736.82

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Solution

The fourth proportional to 1,712,406.47, 2,568,729.65 and 687,736.82 is: 1,031,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,406.47 : 2,568,729.65 = 687,736.82 : x
  2. Step 2: Convert to fraction form
    1,712,406.47/2,568,729.65 = 687,736.82/x
  3. Step 3: Cross multiply
    1,712,406.47x = 2,568,729.65 × 687,736.82
  4. Step 4: Simplify right side
    1,712,406.47x = 1,766,609,963,913.85
  5. Step 5: Solve for x
    x = 1,766,609,963,913.85/1,712,406.47
  6. Step 6: Final answer
    x = 1,031,653.41

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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.