Home / 1,053,884.84-1,581,078.75-343,914.20

Finding the Fourth Proportional to 1,053,884.84, 1,581,078.75 and 343,914.20

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Solution

The fourth proportional to 1,053,884.84, 1,581,078.75 and 343,914.20 is: 515,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,884.84 : 1,581,078.75 = 343,914.20 : x
  2. Step 2: Convert to fraction form
    1,053,884.84/1,581,078.75 = 343,914.20/x
  3. Step 3: Cross multiply
    1,053,884.84x = 1,581,078.75 × 343,914.20
  4. Step 4: Simplify right side
    1,053,884.84x = 543,755,433,443.25
  5. Step 5: Solve for x
    x = 543,755,433,443.25/1,053,884.84
  6. Step 6: Final answer
    x = 515,953.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.