Home / 654,584.71-979,776.83-350,217.45

Finding the Fourth Proportional to 654,584.71, 979,776.83 and 350,217.45

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Solution

The fourth proportional to 654,584.71, 979,776.83 and 350,217.45 is: 524,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,584.71 : 979,776.83 = 350,217.45 : x
  2. Step 2: Convert to fraction form
    654,584.71/979,776.83 = 350,217.45/x
  3. Step 3: Cross multiply
    654,584.71x = 979,776.83 × 350,217.45
  4. Step 4: Simplify right side
    654,584.71x = 343,134,947,521.39
  5. Step 5: Solve for x
    x = 343,134,947,521.39/654,584.71
  6. Step 6: Final answer
    x = 524,202.51

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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.