Home / 1,933,398.40-2,901,134.40-811,580.80

Finding the Fourth Proportional to 1,933,398.40, 2,901,134.40 and 811,580.80

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Solution

The fourth proportional to 1,933,398.40, 2,901,134.40 and 811,580.80 is: 1,217,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,398.40 : 2,901,134.40 = 811,580.80 : x
  2. Step 2: Convert to fraction form
    1,933,398.40/2,901,134.40 = 811,580.80/x
  3. Step 3: Cross multiply
    1,933,398.40x = 2,901,134.40 × 811,580.80
  4. Step 4: Simplify right side
    1,933,398.40x = 2,354,504,977,259.52
  5. Step 5: Solve for x
    x = 2,354,504,977,259.52/1,933,398.40
  6. Step 6: Final answer
    x = 1,217,806.42

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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.