Home / 645,057.45-967,589.27-195,782.22

Finding the Fourth Proportional to 645,057.45, 967,589.27 and 195,782.22

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Solution

The fourth proportional to 645,057.45, 967,589.27 and 195,782.22 is: 293,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,057.45 : 967,589.27 = 195,782.22 : x
  2. Step 2: Convert to fraction form
    645,057.45/967,589.27 = 195,782.22/x
  3. Step 3: Cross multiply
    645,057.45x = 967,589.27 × 195,782.22
  4. Step 4: Simplify right side
    645,057.45x = 189,436,774,349.87
  5. Step 5: Solve for x
    x = 189,436,774,349.87/645,057.45
  6. Step 6: Final answer
    x = 293,674.27

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Double scale
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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.