Home / 1,217,857.50-1,826,793.84-319,291.14

Finding the Fourth Proportional to 1,217,857.50, 1,826,793.84 and 319,291.14

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Solution

The fourth proportional to 1,217,857.50, 1,826,793.84 and 319,291.14 is: 478,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,857.50 : 1,826,793.84 = 319,291.14 : x
  2. Step 2: Convert to fraction form
    1,217,857.50/1,826,793.84 = 319,291.14/x
  3. Step 3: Cross multiply
    1,217,857.50x = 1,826,793.84 × 319,291.14
  4. Step 4: Simplify right side
    1,217,857.50x = 583,279,087,718.58
  5. Step 5: Solve for x
    x = 583,279,087,718.58/1,217,857.50
  6. Step 6: Final answer
    x = 478,938.70

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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.