Home / 409,784.19-565,509.15-226,043.85

Finding the Fourth Proportional to 409,784.19, 565,509.15 and 226,043.85

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Solution

The fourth proportional to 409,784.19, 565,509.15 and 226,043.85 is: 311,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,784.19 : 565,509.15 = 226,043.85 : x
  2. Step 2: Convert to fraction form
    409,784.19/565,509.15 = 226,043.85/x
  3. Step 3: Cross multiply
    409,784.19x = 565,509.15 × 226,043.85
  4. Step 4: Simplify right side
    409,784.19x = 127,829,865,476.23
  5. Step 5: Solve for x
    x = 127,829,865,476.23/409,784.19
  6. Step 6: Final answer
    x = 311,944.36

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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.