Home / 1,277,754.67-1,917,001.74-413,171.15

Finding the Fourth Proportional to 1,277,754.67, 1,917,001.74 and 413,171.15

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Solution

The fourth proportional to 1,277,754.67, 1,917,001.74 and 413,171.15 is: 619,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,754.67 : 1,917,001.74 = 413,171.15 : x
  2. Step 2: Convert to fraction form
    1,277,754.67/1,917,001.74 = 413,171.15/x
  3. Step 3: Cross multiply
    1,277,754.67x = 1,917,001.74 × 413,171.15
  4. Step 4: Simplify right side
    1,277,754.67x = 792,049,803,108.10
  5. Step 5: Solve for x
    x = 792,049,803,108.10/1,277,754.67
  6. Step 6: Final answer
    x = 619,876.28

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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.