Home / 741,699.88-1,112,736.37-342,623

Finding the Fourth Proportional to 741,699.88, 1,112,736.37 and 342,623

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Solution

The fourth proportional to 741,699.88, 1,112,736.37 and 342,623 is: 514,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,699.88 : 1,112,736.37 = 342,623 : x
  2. Step 2: Convert to fraction form
    741,699.88/1,112,736.37 = 342,623/x
  3. Step 3: Cross multiply
    741,699.88x = 1,112,736.37 × 342,623
  4. Step 4: Simplify right side
    741,699.88x = 381,249,073,298.51
  5. Step 5: Solve for x
    x = 381,249,073,298.51/741,699.88
  6. Step 6: Final answer
    x = 514,020.68

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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.