Home / 1,143,364.44-1,577,832.14-627,107.81

Finding the Fourth Proportional to 1,143,364.44, 1,577,832.14 and 627,107.81

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Solution

The fourth proportional to 1,143,364.44, 1,577,832.14 and 627,107.81 is: 865,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,364.44 : 1,577,832.14 = 627,107.81 : x
  2. Step 2: Convert to fraction form
    1,143,364.44/1,577,832.14 = 627,107.81/x
  3. Step 3: Cross multiply
    1,143,364.44x = 1,577,832.14 × 627,107.81
  4. Step 4: Simplify right side
    1,143,364.44x = 989,470,851,541.62
  5. Step 5: Solve for x
    x = 989,470,851,541.62/1,143,364.44
  6. Step 6: Final answer
    x = 865,402.85

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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.