Home / 656,761.82-985,248.05-277,686.54

Finding the Fourth Proportional to 656,761.82, 985,248.05 and 277,686.54

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Solution

The fourth proportional to 656,761.82, 985,248.05 and 277,686.54 is: 416,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,761.82 : 985,248.05 = 277,686.54 : x
  2. Step 2: Convert to fraction form
    656,761.82/985,248.05 = 277,686.54/x
  3. Step 3: Cross multiply
    656,761.82x = 985,248.05 × 277,686.54
  4. Step 4: Simplify right side
    656,761.82x = 273,590,120,657.81
  5. Step 5: Solve for x
    x = 273,590,120,657.81/656,761.82
  6. Step 6: Final answer
    x = 416,574.34

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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.