Home / 851,476.08-1,277,219.16-252,442.48

Finding the Fourth Proportional to 851,476.08, 1,277,219.16 and 252,442.48

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Solution

The fourth proportional to 851,476.08, 1,277,219.16 and 252,442.48 is: 378,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,476.08 : 1,277,219.16 = 252,442.48 : x
  2. Step 2: Convert to fraction form
    851,476.08/1,277,219.16 = 252,442.48/x
  3. Step 3: Cross multiply
    851,476.08x = 1,277,219.16 × 252,442.48
  4. Step 4: Simplify right side
    851,476.08x = 322,424,372,253.92
  5. Step 5: Solve for x
    x = 322,424,372,253.92/851,476.08
  6. Step 6: Final answer
    x = 378,665.21

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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.