Home / 1,192,456.38-1,788,643.26-339,533.40

Finding the Fourth Proportional to 1,192,456.38, 1,788,643.26 and 339,533.40

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Solution

The fourth proportional to 1,192,456.38, 1,788,643.26 and 339,533.40 is: 509,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,456.38 : 1,788,643.26 = 339,533.40 : x
  2. Step 2: Convert to fraction form
    1,192,456.38/1,788,643.26 = 339,533.40/x
  3. Step 3: Cross multiply
    1,192,456.38x = 1,788,643.26 × 339,533.40
  4. Step 4: Simplify right side
    1,192,456.38x = 607,304,127,454.88
  5. Step 5: Solve for x
    x = 607,304,127,454.88/1,192,456.38
  6. Step 6: Final answer
    x = 509,288.34

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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.