Home / 1,260,618.17-1,890,943.64-419,169.89

Finding the Fourth Proportional to 1,260,618.17, 1,890,943.64 and 419,169.89

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Solution

The fourth proportional to 1,260,618.17, 1,890,943.64 and 419,169.89 is: 628,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,618.17 : 1,890,943.64 = 419,169.89 : x
  2. Step 2: Convert to fraction form
    1,260,618.17/1,890,943.64 = 419,169.89/x
  3. Step 3: Cross multiply
    1,260,618.17x = 1,890,943.64 × 419,169.89
  4. Step 4: Simplify right side
    1,260,618.17x = 792,626,635,479.15
  5. Step 5: Solve for x
    x = 792,626,635,479.15/1,260,618.17
  6. Step 6: Final answer
    x = 628,760.28

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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.