Home / 1,215,608.62-1,823,436.39-374,159.50

Finding the Fourth Proportional to 1,215,608.62, 1,823,436.39 and 374,159.50

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Solution

The fourth proportional to 1,215,608.62, 1,823,436.39 and 374,159.50 is: 561,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,608.62 : 1,823,436.39 = 374,159.50 : x
  2. Step 2: Convert to fraction form
    1,215,608.62/1,823,436.39 = 374,159.50/x
  3. Step 3: Cross multiply
    1,215,608.62x = 1,823,436.39 × 374,159.50
  4. Step 4: Simplify right side
    1,215,608.62x = 682,256,047,964.21
  5. Step 5: Solve for x
    x = 682,256,047,964.21/1,215,608.62
  6. Step 6: Final answer
    x = 561,246.47

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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.