Home / 1,218,025.19-1,826,994.03-319,459.79

Finding the Fourth Proportional to 1,218,025.19, 1,826,994.03 and 319,459.79

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Solution

The fourth proportional to 1,218,025.19, 1,826,994.03 and 319,459.79 is: 479,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,025.19 : 1,826,994.03 = 319,459.79 : x
  2. Step 2: Convert to fraction form
    1,218,025.19/1,826,994.03 = 319,459.79/x
  3. Step 3: Cross multiply
    1,218,025.19x = 1,826,994.03 × 319,459.79
  4. Step 4: Simplify right side
    1,218,025.19x = 583,651,120,020.08
  5. Step 5: Solve for x
    x = 583,651,120,020.08/1,218,025.19
  6. Step 6: Final answer
    x = 479,178.20

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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.