Home / 1,192,362.14-1,788,501.48-339,438.51

Finding the Fourth Proportional to 1,192,362.14, 1,788,501.48 and 339,438.51

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Solution

The fourth proportional to 1,192,362.14, 1,788,501.48 and 339,438.51 is: 509,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,362.14 : 1,788,501.48 = 339,438.51 : x
  2. Step 2: Convert to fraction form
    1,192,362.14/1,788,501.48 = 339,438.51/x
  3. Step 3: Cross multiply
    1,192,362.14x = 1,788,501.48 × 339,438.51
  4. Step 4: Simplify right side
    1,192,362.14x = 607,086,277,504.00
  5. Step 5: Solve for x
    x = 607,086,277,504.00/1,192,362.14
  6. Step 6: Final answer
    x = 509,145.89

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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.