Home / 615,921.28-850,558.40-582,376.32

Finding the Fourth Proportional to 615,921.28, 850,558.40 and 582,376.32

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Solution

The fourth proportional to 615,921.28, 850,558.40 and 582,376.32 is: 804,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,921.28 : 850,558.40 = 582,376.32 : x
  2. Step 2: Convert to fraction form
    615,921.28/850,558.40 = 582,376.32/x
  3. Step 3: Cross multiply
    615,921.28x = 850,558.40 × 582,376.32
  4. Step 4: Simplify right side
    615,921.28x = 495,345,070,937.09
  5. Step 5: Solve for x
    x = 495,345,070,937.09/615,921.28
  6. Step 6: Final answer
    x = 804,234.38

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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.