Home / 1,222,358.41-1,833,863.73-423,639.28

Finding the Fourth Proportional to 1,222,358.41, 1,833,863.73 and 423,639.28

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Solution

The fourth proportional to 1,222,358.41, 1,833,863.73 and 423,639.28 is: 635,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,358.41 : 1,833,863.73 = 423,639.28 : x
  2. Step 2: Convert to fraction form
    1,222,358.41/1,833,863.73 = 423,639.28/x
  3. Step 3: Cross multiply
    1,222,358.41x = 1,833,863.73 × 423,639.28
  4. Step 4: Simplify right side
    1,222,358.41x = 776,896,710,195.32
  5. Step 5: Solve for x
    x = 776,896,710,195.32/1,222,358.41
  6. Step 6: Final answer
    x = 635,571.94

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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.