Home / 603,731.50-905,628.26-154,456.26

Finding the Fourth Proportional to 603,731.50, 905,628.26 and 154,456.26

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Solution

The fourth proportional to 603,731.50, 905,628.26 and 154,456.26 is: 231,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,731.50 : 905,628.26 = 154,456.26 : x
  2. Step 2: Convert to fraction form
    603,731.50/905,628.26 = 154,456.26/x
  3. Step 3: Cross multiply
    603,731.50x = 905,628.26 × 154,456.26
  4. Step 4: Simplify right side
    603,731.50x = 139,879,953,989.91
  5. Step 5: Solve for x
    x = 139,879,953,989.91/603,731.50
  6. Step 6: Final answer
    x = 231,692.32

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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.