Home / 407,124.60-561,835.32-225,848.43

Finding the Fourth Proportional to 407,124.60, 561,835.32 and 225,848.43

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Solution

The fourth proportional to 407,124.60, 561,835.32 and 225,848.43 is: 311,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,124.60 : 561,835.32 = 225,848.43 : x
  2. Step 2: Convert to fraction form
    407,124.60/561,835.32 = 225,848.43/x
  3. Step 3: Cross multiply
    407,124.60x = 561,835.32 × 225,848.43
  4. Step 4: Simplify right side
    407,124.60x = 126,889,624,940.55
  5. Step 5: Solve for x
    x = 126,889,624,940.55/407,124.60
  6. Step 6: Final answer
    x = 311,672.70

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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.