Home / 582,919.20-804,431.44-328,274.72

Finding the Fourth Proportional to 582,919.20, 804,431.44 and 328,274.72

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Solution

The fourth proportional to 582,919.20, 804,431.44 and 328,274.72 is: 453,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,919.20 : 804,431.44 = 328,274.72 : x
  2. Step 2: Convert to fraction form
    582,919.20/804,431.44 = 328,274.72/x
  3. Step 3: Cross multiply
    582,919.20x = 804,431.44 × 328,274.72
  4. Step 4: Simplify right side
    582,919.20x = 264,074,505,725.20
  5. Step 5: Solve for x
    x = 264,074,505,725.20/582,919.20
  6. Step 6: Final answer
    x = 453,020.77

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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.