Home / 838,815-1,256,977.92-616,110.36

Finding the Fourth Proportional to 838,815, 1,256,977.92 and 616,110.36

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Solution

The fourth proportional to 838,815, 1,256,977.92 and 616,110.36 is: 923,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,815 : 1,256,977.92 = 616,110.36 : x
  2. Step 2: Convert to fraction form
    838,815/1,256,977.92 = 616,110.36/x
  3. Step 3: Cross multiply
    838,815x = 1,256,977.92 × 616,110.36
  4. Step 4: Simplify right side
    838,815x = 774,437,118,803.25
  5. Step 5: Solve for x
    x = 774,437,118,803.25/838,815
  6. Step 6: Final answer
    x = 923,251.39

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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.