Home / 643,585.20-964,940.40-244,166.10

Finding the Fourth Proportional to 643,585.20, 964,940.40 and 244,166.10

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Solution

The fourth proportional to 643,585.20, 964,940.40 and 244,166.10 is: 366,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,585.20 : 964,940.40 = 244,166.10 : x
  2. Step 2: Convert to fraction form
    643,585.20/964,940.40 = 244,166.10/x
  3. Step 3: Cross multiply
    643,585.20x = 964,940.40 × 244,166.10
  4. Step 4: Simplify right side
    643,585.20x = 235,605,734,200.44
  5. Step 5: Solve for x
    x = 235,605,734,200.44/643,585.20
  6. Step 6: Final answer
    x = 366,083.21

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1.5x scale

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.