Home / 1,691,507.08-2,334,278.41-917,163.58

Finding the Fourth Proportional to 1,691,507.08, 2,334,278.41 and 917,163.58

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Solution

The fourth proportional to 1,691,507.08, 2,334,278.41 and 917,163.58 is: 1,265,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,507.08 : 2,334,278.41 = 917,163.58 : x
  2. Step 2: Convert to fraction form
    1,691,507.08/2,334,278.41 = 917,163.58/x
  3. Step 3: Cross multiply
    1,691,507.08x = 2,334,278.41 × 917,163.58
  4. Step 4: Simplify right side
    1,691,507.08x = 2,140,915,139,480.48
  5. Step 5: Solve for x
    x = 2,140,915,139,480.48/1,691,507.08
  6. Step 6: Final answer
    x = 1,265,685.00

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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.