Home / 409,261.48-564,758.93-225,494.35

Finding the Fourth Proportional to 409,261.48, 564,758.93 and 225,494.35

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Solution

The fourth proportional to 409,261.48, 564,758.93 and 225,494.35 is: 311,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,261.48 : 564,758.93 = 225,494.35 : x
  2. Step 2: Convert to fraction form
    409,261.48/564,758.93 = 225,494.35/x
  3. Step 3: Cross multiply
    409,261.48x = 564,758.93 × 225,494.35
  4. Step 4: Simplify right side
    409,261.48x = 127,349,946,978.88
  5. Step 5: Solve for x
    x = 127,349,946,978.88/409,261.48
  6. Step 6: Final answer
    x = 311,170.13

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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.