Home / 409,726.02-565,431.86-225,967.26

Finding the Fourth Proportional to 409,726.02, 565,431.86 and 225,967.26

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Solution

The fourth proportional to 409,726.02, 565,431.86 and 225,967.26 is: 311,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,726.02 : 565,431.86 = 225,967.26 : x
  2. Step 2: Convert to fraction form
    409,726.02/565,431.86 = 225,967.26/x
  3. Step 3: Cross multiply
    409,726.02x = 565,431.86 × 225,967.26
  4. Step 4: Simplify right side
    409,726.02x = 127,769,086,991.07
  5. Step 5: Solve for x
    x = 127,769,086,991.07/409,726.02
  6. Step 6: Final answer
    x = 311,840.30

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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.