Home / 409,339.20-564,586.32-273,307.80

Finding the Fourth Proportional to 409,339.20, 564,586.32 and 273,307.80

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Solution

The fourth proportional to 409,339.20, 564,586.32 and 273,307.80 is: 376,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,339.20 : 564,586.32 = 273,307.80 : x
  2. Step 2: Convert to fraction form
    409,339.20/564,586.32 = 273,307.80/x
  3. Step 3: Cross multiply
    409,339.20x = 564,586.32 × 273,307.80
  4. Step 4: Simplify right side
    409,339.20x = 154,305,845,029.30
  5. Step 5: Solve for x
    x = 154,305,845,029.30/409,339.20
  6. Step 6: Final answer
    x = 376,963.27

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1.5x scale

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.