Home / 1,646,891.81-2,468,625.06-636,707.60

Finding the Fourth Proportional to 1,646,891.81, 2,468,625.06 and 636,707.60

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Solution

The fourth proportional to 1,646,891.81, 2,468,625.06 and 636,707.60 is: 954,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,891.81 : 2,468,625.06 = 636,707.60 : x
  2. Step 2: Convert to fraction form
    1,646,891.81/2,468,625.06 = 636,707.60/x
  3. Step 3: Cross multiply
    1,646,891.81x = 2,468,625.06 × 636,707.60
  4. Step 4: Simplify right side
    1,646,891.81x = 1,571,792,337,252.46
  5. Step 5: Solve for x
    x = 1,571,792,337,252.46/1,646,891.81
  6. Step 6: Final answer
    x = 954,399.27

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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.