Home / 643,515.28-964,894.40-244,184.10

Finding the Fourth Proportional to 643,515.28, 964,894.40 and 244,184.10

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Solution

The fourth proportional to 643,515.28, 964,894.40 and 244,184.10 is: 366,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,515.28 : 964,894.40 = 244,184.10 : x
  2. Step 2: Convert to fraction form
    643,515.28/964,894.40 = 244,184.10/x
  3. Step 3: Cross multiply
    643,515.28x = 964,894.40 × 244,184.10
  4. Step 4: Simplify right side
    643,515.28x = 235,611,870,659.04
  5. Step 5: Solve for x
    x = 235,611,870,659.04/643,515.28
  6. Step 6: Final answer
    x = 366,132.52

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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.