Home / 1,940,350.40-2,909,488.80-817,150.40

Finding the Fourth Proportional to 1,940,350.40, 2,909,488.80 and 817,150.40

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Solution

The fourth proportional to 1,940,350.40, 2,909,488.80 and 817,150.40 is: 1,225,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,350.40 : 2,909,488.80 = 817,150.40 : x
  2. Step 2: Convert to fraction form
    1,940,350.40/2,909,488.80 = 817,150.40/x
  3. Step 3: Cross multiply
    1,940,350.40x = 2,909,488.80 × 817,150.40
  4. Step 4: Simplify right side
    1,940,350.40x = 2,377,489,936,715.52
  5. Step 5: Solve for x
    x = 2,377,489,936,715.52/1,940,350.40
  6. Step 6: Final answer
    x = 1,225,288.97

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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.