Home / 1,217,863.52-1,826,802.84-319,297.16

Finding the Fourth Proportional to 1,217,863.52, 1,826,802.84 and 319,297.16

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Solution

The fourth proportional to 1,217,863.52, 1,826,802.84 and 319,297.16 is: 478,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,863.52 : 1,826,802.84 = 319,297.16 : x
  2. Step 2: Convert to fraction form
    1,217,863.52/1,826,802.84 = 319,297.16/x
  3. Step 3: Cross multiply
    1,217,863.52x = 1,826,802.84 × 319,297.16
  4. Step 4: Simplify right side
    1,217,863.52x = 583,292,958,691.93
  5. Step 5: Solve for x
    x = 583,292,958,691.93/1,217,863.52
  6. Step 6: Final answer
    x = 478,947.72

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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.