Home / 1,029,118.38-1,543,826.97-319,203.54

Finding the Fourth Proportional to 1,029,118.38, 1,543,826.97 and 319,203.54

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Solution

The fourth proportional to 1,029,118.38, 1,543,826.97 and 319,203.54 is: 478,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,118.38 : 1,543,826.97 = 319,203.54 : x
  2. Step 2: Convert to fraction form
    1,029,118.38/1,543,826.97 = 319,203.54/x
  3. Step 3: Cross multiply
    1,029,118.38x = 1,543,826.97 × 319,203.54
  4. Step 4: Simplify right side
    1,029,118.38x = 492,795,033,971.47
  5. Step 5: Solve for x
    x = 492,795,033,971.47/1,029,118.38
  6. Step 6: Final answer
    x = 478,851.65

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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.