Home / 1,228,022.32-1,833,398.95-938,317.76

Finding the Fourth Proportional to 1,228,022.32, 1,833,398.95 and 938,317.76

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Solution

The fourth proportional to 1,228,022.32, 1,833,398.95 and 938,317.76 is: 1,400,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,022.32 : 1,833,398.95 = 938,317.76 : x
  2. Step 2: Convert to fraction form
    1,228,022.32/1,833,398.95 = 938,317.76/x
  3. Step 3: Cross multiply
    1,228,022.32x = 1,833,398.95 × 938,317.76
  4. Step 4: Simplify right side
    1,228,022.32x = 1,720,310,795,950.35
  5. Step 5: Solve for x
    x = 1,720,310,795,950.35/1,228,022.32
  6. Step 6: Final answer
    x = 1,400,879.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.