Home / 1,305,545.42-1,956,970.82-547,826.88

Finding the Fourth Proportional to 1,305,545.42, 1,956,970.82 and 547,826.88

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Solution

The fourth proportional to 1,305,545.42, 1,956,970.82 and 547,826.88 is: 821,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,545.42 : 1,956,970.82 = 547,826.88 : x
  2. Step 2: Convert to fraction form
    1,305,545.42/1,956,970.82 = 547,826.88/x
  3. Step 3: Cross multiply
    1,305,545.42x = 1,956,970.82 × 547,826.88
  4. Step 4: Simplify right side
    1,305,545.42x = 1,072,081,218,571.64
  5. Step 5: Solve for x
    x = 1,072,081,218,571.64/1,305,545.42
  6. Step 6: Final answer
    x = 821,174.97

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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.