Home / 1,134,969.38-1,566,179.25-638,327.66

Finding the Fourth Proportional to 1,134,969.38, 1,566,179.25 and 638,327.66

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Solution

The fourth proportional to 1,134,969.38, 1,566,179.25 and 638,327.66 is: 880,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,969.38 : 1,566,179.25 = 638,327.66 : x
  2. Step 2: Convert to fraction form
    1,134,969.38/1,566,179.25 = 638,327.66/x
  3. Step 3: Cross multiply
    1,134,969.38x = 1,566,179.25 × 638,327.66
  4. Step 4: Simplify right side
    1,134,969.38x = 999,735,525,568.43
  5. Step 5: Solve for x
    x = 999,735,525,568.43/1,134,969.38
  6. Step 6: Final answer
    x = 880,848.01

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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.