Home / 1,165,129.39-1,607,845.95-648,883.11

Finding the Fourth Proportional to 1,165,129.39, 1,607,845.95 and 648,883.11

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Solution

The fourth proportional to 1,165,129.39, 1,607,845.95 and 648,883.11 is: 895,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,129.39 : 1,607,845.95 = 648,883.11 : x
  2. Step 2: Convert to fraction form
    1,165,129.39/1,607,845.95 = 648,883.11/x
  3. Step 3: Cross multiply
    1,165,129.39x = 1,607,845.95 × 648,883.11
  4. Step 4: Simplify right side
    1,165,129.39x = 1,043,304,080,436.90
  5. Step 5: Solve for x
    x = 1,043,304,080,436.90/1,165,129.39
  6. Step 6: Final answer
    x = 895,440.53

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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.