Home / 407,011.04-561,708.87-225,781.41

Finding the Fourth Proportional to 407,011.04, 561,708.87 and 225,781.41

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Solution

The fourth proportional to 407,011.04, 561,708.87 and 225,781.41 is: 311,597.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,011.04 : 561,708.87 = 225,781.41 : x
  2. Step 2: Convert to fraction form
    407,011.04/561,708.87 = 225,781.41/x
  3. Step 3: Cross multiply
    407,011.04x = 561,708.87 × 225,781.41
  4. Step 4: Simplify right side
    407,011.04x = 126,823,420,678.11
  5. Step 5: Solve for x
    x = 126,823,420,678.11/407,011.04
  6. Step 6: Final answer
    x = 311,597.00

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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.