Home / 1,589,143.35-2,193,081.50-863,988.83

Finding the Fourth Proportional to 1,589,143.35, 2,193,081.50 and 863,988.83

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Solution

The fourth proportional to 1,589,143.35, 2,193,081.50 and 863,988.83 is: 1,192,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,143.35 : 2,193,081.50 = 863,988.83 : x
  2. Step 2: Convert to fraction form
    1,589,143.35/2,193,081.50 = 863,988.83/x
  3. Step 3: Cross multiply
    1,589,143.35x = 2,193,081.50 × 863,988.83
  4. Step 4: Simplify right side
    1,589,143.35x = 1,894,797,903,994.29
  5. Step 5: Solve for x
    x = 1,894,797,903,994.29/1,589,143.35
  6. Step 6: Final answer
    x = 1,192,339.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.