Home / 1,285,908.45-1,928,468.88-889,099.17

Finding the Fourth Proportional to 1,285,908.45, 1,928,468.88 and 889,099.17

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Solution

The fourth proportional to 1,285,908.45, 1,928,468.88 and 889,099.17 is: 1,333,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,908.45 : 1,928,468.88 = 889,099.17 : x
  2. Step 2: Convert to fraction form
    1,285,908.45/1,928,468.88 = 889,099.17/x
  3. Step 3: Cross multiply
    1,285,908.45x = 1,928,468.88 × 889,099.17
  4. Step 4: Simplify right side
    1,285,908.45x = 1,714,600,080,578.83
  5. Step 5: Solve for x
    x = 1,714,600,080,578.83/1,285,908.45
  6. Step 6: Final answer
    x = 1,333,376.48

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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.