Home / 1,260,901.98-1,740,050.37-687,954.15

Finding the Fourth Proportional to 1,260,901.98, 1,740,050.37 and 687,954.15

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Solution

The fourth proportional to 1,260,901.98, 1,740,050.37 and 687,954.15 is: 949,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,901.98 : 1,740,050.37 = 687,954.15 : x
  2. Step 2: Convert to fraction form
    1,260,901.98/1,740,050.37 = 687,954.15/x
  3. Step 3: Cross multiply
    1,260,901.98x = 1,740,050.37 × 687,954.15
  4. Step 4: Simplify right side
    1,260,901.98x = 1,197,074,873,250.54
  5. Step 5: Solve for x
    x = 1,197,074,873,250.54/1,260,901.98
  6. Step 6: Final answer
    x = 949,379.80

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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.