Home / 938,388.97-1,296,052.80-617,531.36

Finding the Fourth Proportional to 938,388.97, 1,296,052.80 and 617,531.36

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Solution

The fourth proportional to 938,388.97, 1,296,052.80 and 617,531.36 is: 852,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,388.97 : 1,296,052.80 = 617,531.36 : x
  2. Step 2: Convert to fraction form
    938,388.97/1,296,052.80 = 617,531.36/x
  3. Step 3: Cross multiply
    938,388.97x = 1,296,052.80 × 617,531.36
  4. Step 4: Simplify right side
    938,388.97x = 800,353,248,215.81
  5. Step 5: Solve for x
    x = 800,353,248,215.81/938,388.97
  6. Step 6: Final answer
    x = 852,901.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.