Home / 1,553,176.20-2,143,362.71-855,443.61

Finding the Fourth Proportional to 1,553,176.20, 2,143,362.71 and 855,443.61

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Solution

The fourth proportional to 1,553,176.20, 2,143,362.71 and 855,443.61 is: 1,180,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,176.20 : 2,143,362.71 = 855,443.61 : x
  2. Step 2: Convert to fraction form
    1,553,176.20/2,143,362.71 = 855,443.61/x
  3. Step 3: Cross multiply
    1,553,176.20x = 2,143,362.71 × 855,443.61
  4. Step 4: Simplify right side
    1,553,176.20x = 1,833,525,936,320.39
  5. Step 5: Solve for x
    x = 1,833,525,936,320.39/1,553,176.20
  6. Step 6: Final answer
    x = 1,180,500.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.