Home / 1,019,177.76-1,528,950.51-419,811.78

Finding the Fourth Proportional to 1,019,177.76, 1,528,950.51 and 419,811.78

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Solution

The fourth proportional to 1,019,177.76, 1,528,950.51 and 419,811.78 is: 629,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,177.76 : 1,528,950.51 = 419,811.78 : x
  2. Step 2: Convert to fraction form
    1,019,177.76/1,528,950.51 = 419,811.78/x
  3. Step 3: Cross multiply
    1,019,177.76x = 1,528,950.51 × 419,811.78
  4. Step 4: Simplify right side
    1,019,177.76x = 641,871,435,135.01
  5. Step 5: Solve for x
    x = 641,871,435,135.01/1,019,177.76
  6. Step 6: Final answer
    x = 629,793.41

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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.