Home / 611,972.15-844,506.23-340,040.75

Finding the Fourth Proportional to 611,972.15, 844,506.23 and 340,040.75

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Solution

The fourth proportional to 611,972.15, 844,506.23 and 340,040.75 is: 469,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,972.15 : 844,506.23 = 340,040.75 : x
  2. Step 2: Convert to fraction form
    611,972.15/844,506.23 = 340,040.75/x
  3. Step 3: Cross multiply
    611,972.15x = 844,506.23 × 340,040.75
  4. Step 4: Simplify right side
    611,972.15x = 287,166,525,906.14
  5. Step 5: Solve for x
    x = 287,166,525,906.14/611,972.15
  6. Step 6: Final answer
    x = 469,247.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.