Home / 1,557,756.60-2,336,711.70-811,260.60

Finding the Fourth Proportional to 1,557,756.60, 2,336,711.70 and 811,260.60

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Solution

The fourth proportional to 1,557,756.60, 2,336,711.70 and 811,260.60 is: 1,216,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,756.60 : 2,336,711.70 = 811,260.60 : x
  2. Step 2: Convert to fraction form
    1,557,756.60/2,336,711.70 = 811,260.60/x
  3. Step 3: Cross multiply
    1,557,756.60x = 2,336,711.70 × 811,260.60
  4. Step 4: Simplify right side
    1,557,756.60x = 1,895,682,135,769.02
  5. Step 5: Solve for x
    x = 1,895,682,135,769.02/1,557,756.60
  6. Step 6: Final answer
    x = 1,216,930.90

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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.