Home / 1,005,751.24-1,387,936.72-553,042.24

Finding the Fourth Proportional to 1,005,751.24, 1,387,936.72 and 553,042.24

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Solution

The fourth proportional to 1,005,751.24, 1,387,936.72 and 553,042.24 is: 763,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,751.24 : 1,387,936.72 = 553,042.24 : x
  2. Step 2: Convert to fraction form
    1,005,751.24/1,387,936.72 = 553,042.24/x
  3. Step 3: Cross multiply
    1,005,751.24x = 1,387,936.72 × 553,042.24
  4. Step 4: Simplify right side
    1,005,751.24x = 767,587,632,607.05
  5. Step 5: Solve for x
    x = 767,587,632,607.05/1,005,751.24
  6. Step 6: Final answer
    x = 763,198.30

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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.