Home / 1,422,607.81-2,133,376.13-462,812.33

Finding the Fourth Proportional to 1,422,607.81, 2,133,376.13 and 462,812.33

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Solution

The fourth proportional to 1,422,607.81, 2,133,376.13 and 462,812.33 is: 694,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,607.81 : 2,133,376.13 = 462,812.33 : x
  2. Step 2: Convert to fraction form
    1,422,607.81/2,133,376.13 = 462,812.33/x
  3. Step 3: Cross multiply
    1,422,607.81x = 2,133,376.13 × 462,812.33
  4. Step 4: Simplify right side
    1,422,607.81x = 987,352,781,378.84
  5. Step 5: Solve for x
    x = 987,352,781,378.84/1,422,607.81
  6. Step 6: Final answer
    x = 694,044.26

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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.