Home / 838,103.76-1,257,155.64-207,029.52

Finding the Fourth Proportional to 838,103.76, 1,257,155.64 and 207,029.52

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Solution

The fourth proportional to 838,103.76, 1,257,155.64 and 207,029.52 is: 310,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,103.76 : 1,257,155.64 = 207,029.52 : x
  2. Step 2: Convert to fraction form
    838,103.76/1,257,155.64 = 207,029.52/x
  3. Step 3: Cross multiply
    838,103.76x = 1,257,155.64 × 207,029.52
  4. Step 4: Simplify right side
    838,103.76x = 260,268,328,714.49
  5. Step 5: Solve for x
    x = 260,268,328,714.49/838,103.76
  6. Step 6: Final answer
    x = 310,544.28

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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.