Home / 668,586.56-1,001,936.84-369,201.92

Finding the Fourth Proportional to 668,586.56, 1,001,936.84 and 369,201.92

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Solution

The fourth proportional to 668,586.56, 1,001,936.84 and 369,201.92 is: 553,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,586.56 : 1,001,936.84 = 369,201.92 : x
  2. Step 2: Convert to fraction form
    668,586.56/1,001,936.84 = 369,201.92/x
  3. Step 3: Cross multiply
    668,586.56x = 1,001,936.84 × 369,201.92
  4. Step 4: Simplify right side
    668,586.56x = 369,917,005,046.73
  5. Step 5: Solve for x
    x = 369,917,005,046.73/668,586.56
  6. Step 6: Final answer
    x = 553,282.14

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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.