Home / 1,314,019.20-1,970,452.80-603,811.20

Finding the Fourth Proportional to 1,314,019.20, 1,970,452.80 and 603,811.20

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Solution

The fourth proportional to 1,314,019.20, 1,970,452.80 and 603,811.20 is: 905,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,019.20 : 1,970,452.80 = 603,811.20 : x
  2. Step 2: Convert to fraction form
    1,314,019.20/1,970,452.80 = 603,811.20/x
  3. Step 3: Cross multiply
    1,314,019.20x = 1,970,452.80 × 603,811.20
  4. Step 4: Simplify right side
    1,314,019.20x = 1,189,781,469,711.36
  5. Step 5: Solve for x
    x = 1,189,781,469,711.36/1,314,019.20
  6. Step 6: Final answer
    x = 905,452.12

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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.