Home / 1,002,033.76-1,382,769.54-543,138.48

Finding the Fourth Proportional to 1,002,033.76, 1,382,769.54 and 543,138.48

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Solution

The fourth proportional to 1,002,033.76, 1,382,769.54 and 543,138.48 is: 749,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,033.76 : 1,382,769.54 = 543,138.48 : x
  2. Step 2: Convert to fraction form
    1,002,033.76/1,382,769.54 = 543,138.48/x
  3. Step 3: Cross multiply
    1,002,033.76x = 1,382,769.54 × 543,138.48
  4. Step 4: Simplify right side
    1,002,033.76x = 751,035,346,145.90
  5. Step 5: Solve for x
    x = 751,035,346,145.90/1,002,033.76
  6. Step 6: Final answer
    x = 749,511.02

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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.