Home / 645,793.20-968,726.24-196,528.72

Finding the Fourth Proportional to 645,793.20, 968,726.24 and 196,528.72

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Solution

The fourth proportional to 645,793.20, 968,726.24 and 196,528.72 is: 294,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,793.20 : 968,726.24 = 196,528.72 : x
  2. Step 2: Convert to fraction form
    645,793.20/968,726.24 = 196,528.72/x
  3. Step 3: Cross multiply
    645,793.20x = 968,726.24 × 196,528.72
  4. Step 4: Simplify right side
    645,793.20x = 190,382,527,977.61
  5. Step 5: Solve for x
    x = 190,382,527,977.61/645,793.20
  6. Step 6: Final answer
    x = 294,804.17

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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.