Home / 1,879,808.19-2,819,766.96-459,863.82

Finding the Fourth Proportional to 1,879,808.19, 2,819,766.96 and 459,863.82

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Solution

The fourth proportional to 1,879,808.19, 2,819,766.96 and 459,863.82 is: 689,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,808.19 : 2,819,766.96 = 459,863.82 : x
  2. Step 2: Convert to fraction form
    1,879,808.19/2,819,766.96 = 459,863.82/x
  3. Step 3: Cross multiply
    1,879,808.19x = 2,819,766.96 × 459,863.82
  4. Step 4: Simplify right side
    1,879,808.19x = 1,296,708,805,735.39
  5. Step 5: Solve for x
    x = 1,296,708,805,735.39/1,879,808.19
  6. Step 6: Final answer
    x = 689,809.11

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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.