Home / 1,933,310.40-2,901,002.40-811,492.80

Finding the Fourth Proportional to 1,933,310.40, 2,901,002.40 and 811,492.80

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Solution

The fourth proportional to 1,933,310.40, 2,901,002.40 and 811,492.80 is: 1,217,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,310.40 : 2,901,002.40 = 811,492.80 : x
  2. Step 2: Convert to fraction form
    1,933,310.40/2,901,002.40 = 811,492.80/x
  3. Step 3: Cross multiply
    1,933,310.40x = 2,901,002.40 × 811,492.80
  4. Step 4: Simplify right side
    1,933,310.40x = 2,354,142,560,382.72
  5. Step 5: Solve for x
    x = 2,354,142,560,382.72/1,933,310.40
  6. Step 6: Final answer
    x = 1,217,674.39

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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.