Home / 613,005.40-919,542.66-186,555.10

Finding the Fourth Proportional to 613,005.40, 919,542.66 and 186,555.10

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Solution

The fourth proportional to 613,005.40, 919,542.66 and 186,555.10 is: 279,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,005.40 : 919,542.66 = 186,555.10 : x
  2. Step 2: Convert to fraction form
    613,005.40/919,542.66 = 186,555.10/x
  3. Step 3: Cross multiply
    613,005.40x = 919,542.66 × 186,555.10
  4. Step 4: Simplify right side
    613,005.40x = 171,545,372,890.57
  5. Step 5: Solve for x
    x = 171,545,372,890.57/613,005.40
  6. Step 6: Final answer
    x = 279,843.17

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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.