Home / 1,238,515.92-1,857,757.34-339,957.81

Finding the Fourth Proportional to 1,238,515.92, 1,857,757.34 and 339,957.81

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Solution

The fourth proportional to 1,238,515.92, 1,857,757.34 and 339,957.81 is: 509,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,515.92 : 1,857,757.34 = 339,957.81 : x
  2. Step 2: Convert to fraction form
    1,238,515.92/1,857,757.34 = 339,957.81/x
  3. Step 3: Cross multiply
    1,238,515.92x = 1,857,757.34 × 339,957.81
  4. Step 4: Simplify right side
    1,238,515.92x = 631,559,117,667.72
  5. Step 5: Solve for x
    x = 631,559,117,667.72/1,238,515.92
  6. Step 6: Final answer
    x = 509,932.18

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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.