Home / 1,063,338.72-1,595,215.68-343,859.16

Finding the Fourth Proportional to 1,063,338.72, 1,595,215.68 and 343,859.16

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Solution

The fourth proportional to 1,063,338.72, 1,595,215.68 and 343,859.16 is: 515,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,338.72 : 1,595,215.68 = 343,859.16 : x
  2. Step 2: Convert to fraction form
    1,063,338.72/1,595,215.68 = 343,859.16/x
  3. Step 3: Cross multiply
    1,063,338.72x = 1,595,215.68 × 343,859.16
  4. Step 4: Simplify right side
    1,063,338.72x = 548,529,523,743.63
  5. Step 5: Solve for x
    x = 548,529,523,743.63/1,063,338.72
  6. Step 6: Final answer
    x = 515,855.87

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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.