Home / 1,147,634.64-1,583,928-664,116.48

Finding the Fourth Proportional to 1,147,634.64, 1,583,928 and 664,116.48

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Solution

The fourth proportional to 1,147,634.64, 1,583,928 and 664,116.48 is: 916,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,634.64 : 1,583,928 = 664,116.48 : x
  2. Step 2: Convert to fraction form
    1,147,634.64/1,583,928 = 664,116.48/x
  3. Step 3: Cross multiply
    1,147,634.64x = 1,583,928 × 664,116.48
  4. Step 4: Simplify right side
    1,147,634.64x = 1,051,912,687,933.44
  5. Step 5: Solve for x
    x = 1,051,912,687,933.44/1,147,634.64
  6. Step 6: Final answer
    x = 916,591.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.