Home / 1,216,763.83-1,825,188.14-418,039.57

Finding the Fourth Proportional to 1,216,763.83, 1,825,188.14 and 418,039.57

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Solution

The fourth proportional to 1,216,763.83, 1,825,188.14 and 418,039.57 is: 627,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,763.83 : 1,825,188.14 = 418,039.57 : x
  2. Step 2: Convert to fraction form
    1,216,763.83/1,825,188.14 = 418,039.57/x
  3. Step 3: Cross multiply
    1,216,763.83x = 1,825,188.14 × 418,039.57
  4. Step 4: Simplify right side
    1,216,763.83x = 763,000,865,214.70
  5. Step 5: Solve for x
    x = 763,000,865,214.70/1,216,763.83
  6. Step 6: Final answer
    x = 627,073.92

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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.