Home / 1,689,983.20-2,535,358.80-568,165.60

Finding the Fourth Proportional to 1,689,983.20, 2,535,358.80 and 568,165.60

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Solution

The fourth proportional to 1,689,983.20, 2,535,358.80 and 568,165.60 is: 852,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,983.20 : 2,535,358.80 = 568,165.60 : x
  2. Step 2: Convert to fraction form
    1,689,983.20/2,535,358.80 = 568,165.60/x
  3. Step 3: Cross multiply
    1,689,983.20x = 2,535,358.80 × 568,165.60
  4. Step 4: Simplify right side
    1,689,983.20x = 1,440,503,653,817.28
  5. Step 5: Solve for x
    x = 1,440,503,653,817.28/1,689,983.20
  6. Step 6: Final answer
    x = 852,377.50

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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.