Home / 406,665.32-561,202.27-225,381.24

Finding the Fourth Proportional to 406,665.32, 561,202.27 and 225,381.24

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Solution

The fourth proportional to 406,665.32, 561,202.27 and 225,381.24 is: 311,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,665.32 : 561,202.27 = 225,381.24 : x
  2. Step 2: Convert to fraction form
    406,665.32/561,202.27 = 225,381.24/x
  3. Step 3: Cross multiply
    406,665.32x = 561,202.27 × 225,381.24
  4. Step 4: Simplify right side
    406,665.32x = 126,484,462,939.96
  5. Step 5: Solve for x
    x = 126,484,462,939.96/406,665.32
  6. Step 6: Final answer
    x = 311,028.40

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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.