Home / 582,556.16-804,175.26-391,680.20

Finding the Fourth Proportional to 582,556.16, 804,175.26 and 391,680.20

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Solution

The fourth proportional to 582,556.16, 804,175.26 and 391,680.20 is: 540,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,556.16 : 804,175.26 = 391,680.20 : x
  2. Step 2: Convert to fraction form
    582,556.16/804,175.26 = 391,680.20/x
  3. Step 3: Cross multiply
    582,556.16x = 804,175.26 × 391,680.20
  4. Step 4: Simplify right side
    582,556.16x = 314,979,526,671.85
  5. Step 5: Solve for x
    x = 314,979,526,671.85/582,556.16
  6. Step 6: Final answer
    x = 540,685.26

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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.