Home / 603,724.74-905,618.13-154,449.50

Finding the Fourth Proportional to 603,724.74, 905,618.13 and 154,449.50

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Solution

The fourth proportional to 603,724.74, 905,618.13 and 154,449.50 is: 231,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,724.74 : 905,618.13 = 154,449.50 : x
  2. Step 2: Convert to fraction form
    603,724.74/905,618.13 = 154,449.50/x
  3. Step 3: Cross multiply
    603,724.74x = 905,618.13 × 154,449.50
  4. Step 4: Simplify right side
    603,724.74x = 139,872,269,633.48
  5. Step 5: Solve for x
    x = 139,872,269,633.48/603,724.74
  6. Step 6: Final answer
    x = 231,682.19

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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.