Home / 847,399.80-1,271,099.29-216,313.41

Finding the Fourth Proportional to 847,399.80, 1,271,099.29 and 216,313.41

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Solution

The fourth proportional to 847,399.80, 1,271,099.29 and 216,313.41 is: 324,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,399.80 : 1,271,099.29 = 216,313.41 : x
  2. Step 2: Convert to fraction form
    847,399.80/1,271,099.29 = 216,313.41/x
  3. Step 3: Cross multiply
    847,399.80x = 1,271,099.29 × 216,313.41
  4. Step 4: Simplify right side
    847,399.80x = 274,955,821,868.48
  5. Step 5: Solve for x
    x = 274,955,821,868.48/847,399.80
  6. Step 6: Final answer
    x = 324,470.01

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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.