Home / 1,029,119.38-1,543,828.47-319,204.54

Finding the Fourth Proportional to 1,029,119.38, 1,543,828.47 and 319,204.54

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Solution

The fourth proportional to 1,029,119.38, 1,543,828.47 and 319,204.54 is: 478,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,119.38 : 1,543,828.47 = 319,204.54 : x
  2. Step 2: Convert to fraction form
    1,029,119.38/1,543,828.47 = 319,204.54/x
  3. Step 3: Cross multiply
    1,029,119.38x = 1,543,828.47 × 319,204.54
  4. Step 4: Simplify right side
    1,029,119.38x = 492,797,056,605.25
  5. Step 5: Solve for x
    x = 492,797,056,605.25/1,029,119.38
  6. Step 6: Final answer
    x = 478,853.15

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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.