Home / 582,535.02-804,147.09-391,659.12

Finding the Fourth Proportional to 582,535.02, 804,147.09 and 391,659.12

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Solution

The fourth proportional to 582,535.02, 804,147.09 and 391,659.12 is: 540,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,535.02 : 804,147.09 = 391,659.12 : x
  2. Step 2: Convert to fraction form
    582,535.02/804,147.09 = 391,659.12/x
  3. Step 3: Cross multiply
    582,535.02x = 804,147.09 × 391,659.12
  4. Step 4: Simplify right side
    582,535.02x = 314,951,541,619.96
  5. Step 5: Solve for x
    x = 314,951,541,619.96/582,535.02
  6. Step 6: Final answer
    x = 540,656.84

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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.