Home / 555,821.38-767,036.19-301,172.50

Finding the Fourth Proportional to 555,821.38, 767,036.19 and 301,172.50

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Solution

The fourth proportional to 555,821.38, 767,036.19 and 301,172.50 is: 415,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,821.38 : 767,036.19 = 301,172.50 : x
  2. Step 2: Convert to fraction form
    555,821.38/767,036.19 = 301,172.50/x
  3. Step 3: Cross multiply
    555,821.38x = 767,036.19 × 301,172.50
  4. Step 4: Simplify right side
    555,821.38x = 231,010,206,932.78
  5. Step 5: Solve for x
    x = 231,010,206,932.78/555,821.38
  6. Step 6: Final answer
    x = 415,619.51

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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.