Home / 1,143,187.35-1,577,620.19-626,908.53

Finding the Fourth Proportional to 1,143,187.35, 1,577,620.19 and 626,908.53

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Solution

The fourth proportional to 1,143,187.35, 1,577,620.19 and 626,908.53 is: 865,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,187.35 : 1,577,620.19 = 626,908.53 : x
  2. Step 2: Convert to fraction form
    1,143,187.35/1,577,620.19 = 626,908.53/x
  3. Step 3: Cross multiply
    1,143,187.35x = 1,577,620.19 × 626,908.53
  4. Step 4: Simplify right side
    1,143,187.35x = 989,023,551,076.68
  5. Step 5: Solve for x
    x = 989,023,551,076.68/1,143,187.35
  6. Step 6: Final answer
    x = 865,145.64

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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.