Home / 938,398.93-1,400,731.01-806,129.17

Finding the Fourth Proportional to 938,398.93, 1,400,731.01 and 806,129.17

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Solution

The fourth proportional to 938,398.93, 1,400,731.01 and 806,129.17 is: 1,203,294.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,398.93 : 1,400,731.01 = 806,129.17 : x
  2. Step 2: Convert to fraction form
    938,398.93/1,400,731.01 = 806,129.17/x
  3. Step 3: Cross multiply
    938,398.93x = 1,400,731.01 × 806,129.17
  4. Step 4: Simplify right side
    938,398.93x = 1,129,170,122,453.92
  5. Step 5: Solve for x
    x = 1,129,170,122,453.92/938,398.93
  6. Step 6: Final answer
    x = 1,203,294.34

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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.