Home / 946,136.72-1,419,831.89-519,970.16

Finding the Fourth Proportional to 946,136.72, 1,419,831.89 and 519,970.16

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Solution

The fourth proportional to 946,136.72, 1,419,831.89 and 519,970.16 is: 780,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,136.72 : 1,419,831.89 = 519,970.16 : x
  2. Step 2: Convert to fraction form
    946,136.72/1,419,831.89 = 519,970.16/x
  3. Step 3: Cross multiply
    946,136.72x = 1,419,831.89 × 519,970.16
  4. Step 4: Simplify right side
    946,136.72x = 738,270,205,317.39
  5. Step 5: Solve for x
    x = 738,270,205,317.39/946,136.72
  6. Step 6: Final answer
    x = 780,299.71

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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.