Home / 582,560.16-804,180.78-391,684.20

Finding the Fourth Proportional to 582,560.16, 804,180.78 and 391,684.20

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Solution

The fourth proportional to 582,560.16, 804,180.78 and 391,684.20 is: 540,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,560.16 : 804,180.78 = 391,684.20 : x
  2. Step 2: Convert to fraction form
    582,560.16/804,180.78 = 391,684.20/x
  3. Step 3: Cross multiply
    582,560.16x = 804,180.78 × 391,684.20
  4. Step 4: Simplify right side
    582,560.16x = 314,984,905,469.68
  5. Step 5: Solve for x
    x = 314,984,905,469.68/582,560.16
  6. Step 6: Final answer
    x = 540,690.78

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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.