Home / 436,665.71-654,998.57-121,122.62

Finding the Fourth Proportional to 436,665.71, 654,998.57 and 121,122.62

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Solution

The fourth proportional to 436,665.71, 654,998.57 and 121,122.62 is: 181,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,665.71 : 654,998.57 = 121,122.62 : x
  2. Step 2: Convert to fraction form
    436,665.71/654,998.57 = 121,122.62/x
  3. Step 3: Cross multiply
    436,665.71x = 654,998.57 × 121,122.62
  4. Step 4: Simplify right side
    436,665.71x = 79,335,142,894.65
  5. Step 5: Solve for x
    x = 79,335,142,894.65/436,665.71
  6. Step 6: Final answer
    x = 181,683.93

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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.