Home / 1,238,362.29-1,857,715.61-439,453.89

Finding the Fourth Proportional to 1,238,362.29, 1,857,715.61 and 439,453.89

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Solution

The fourth proportional to 1,238,362.29, 1,857,715.61 and 439,453.89 is: 659,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,362.29 : 1,857,715.61 = 439,453.89 : x
  2. Step 2: Convert to fraction form
    1,238,362.29/1,857,715.61 = 439,453.89/x
  3. Step 3: Cross multiply
    1,238,362.29x = 1,857,715.61 × 439,453.89
  4. Step 4: Simplify right side
    1,238,362.29x = 816,380,349,130.95
  5. Step 5: Solve for x
    x = 816,380,349,130.95/1,238,362.29
  6. Step 6: Final answer
    x = 659,241.93

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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.