Home / 669,535.62-923,734.37-379,107.50

Finding the Fourth Proportional to 669,535.62, 923,734.37 and 379,107.50

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Solution

The fourth proportional to 669,535.62, 923,734.37 and 379,107.50 is: 523,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,535.62 : 923,734.37 = 379,107.50 : x
  2. Step 2: Convert to fraction form
    669,535.62/923,734.37 = 379,107.50/x
  3. Step 3: Cross multiply
    669,535.62x = 923,734.37 × 379,107.50
  4. Step 4: Simplify right side
    669,535.62x = 350,194,621,160.57
  5. Step 5: Solve for x
    x = 350,194,621,160.57/669,535.62
  6. Step 6: Final answer
    x = 523,041.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.