Home / 1,499,191.95-2,068,877.12-810,863.09

Finding the Fourth Proportional to 1,499,191.95, 2,068,877.12 and 810,863.09

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Solution

The fourth proportional to 1,499,191.95, 2,068,877.12 and 810,863.09 is: 1,118,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,191.95 : 2,068,877.12 = 810,863.09 : x
  2. Step 2: Convert to fraction form
    1,499,191.95/2,068,877.12 = 810,863.09/x
  3. Step 3: Cross multiply
    1,499,191.95x = 2,068,877.12 × 810,863.09
  4. Step 4: Simplify right side
    1,499,191.95x = 1,677,576,079,954.80
  5. Step 5: Solve for x
    x = 1,677,576,079,954.80/1,499,191.95
  6. Step 6: Final answer
    x = 1,118,986.85

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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.