Home / 407,074.61-561,740.06-225,773.53

Finding the Fourth Proportional to 407,074.61, 561,740.06 and 225,773.53

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Solution

The fourth proportional to 407,074.61, 561,740.06 and 225,773.53 is: 311,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,074.61 : 561,740.06 = 225,773.53 : x
  2. Step 2: Convert to fraction form
    407,074.61/561,740.06 = 225,773.53/x
  3. Step 3: Cross multiply
    407,074.61x = 561,740.06 × 225,773.53
  4. Step 4: Simplify right side
    407,074.61x = 126,826,035,448.70
  5. Step 5: Solve for x
    x = 126,826,035,448.70/407,074.61
  6. Step 6: Final answer
    x = 311,554.77

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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.