Home / 1,143,383.46-1,577,858.43-627,126.78

Finding the Fourth Proportional to 1,143,383.46, 1,577,858.43 and 627,126.78

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Solution

The fourth proportional to 1,143,383.46, 1,577,858.43 and 627,126.78 is: 865,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,383.46 : 1,577,858.43 = 627,126.78 : x
  2. Step 2: Convert to fraction form
    1,143,383.46/1,577,858.43 = 627,126.78/x
  3. Step 3: Cross multiply
    1,143,383.46x = 1,577,858.43 × 627,126.78
  4. Step 4: Simplify right side
    1,143,383.46x = 989,517,276,501.76
  5. Step 5: Solve for x
    x = 989,517,276,501.76/1,143,383.46
  6. Step 6: Final answer
    x = 865,429.06

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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.