Home / 1,867,195.20-2,800,792.80-519,355.20

Finding the Fourth Proportional to 1,867,195.20, 2,800,792.80 and 519,355.20

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Solution

The fourth proportional to 1,867,195.20, 2,800,792.80 and 519,355.20 is: 779,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,195.20 : 2,800,792.80 = 519,355.20 : x
  2. Step 2: Convert to fraction form
    1,867,195.20/2,800,792.80 = 519,355.20/x
  3. Step 3: Cross multiply
    1,867,195.20x = 2,800,792.80 × 519,355.20
  4. Step 4: Simplify right side
    1,867,195.20x = 1,454,606,304,802.56
  5. Step 5: Solve for x
    x = 1,454,606,304,802.56/1,867,195.20
  6. Step 6: Final answer
    x = 779,032.80

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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.