Home / 582,434.15-804,007.12-391,558.25

Finding the Fourth Proportional to 582,434.15, 804,007.12 and 391,558.25

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Solution

The fourth proportional to 582,434.15, 804,007.12 and 391,558.25 is: 540,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,434.15 : 804,007.12 = 391,558.25 : x
  2. Step 2: Convert to fraction form
    582,434.15/804,007.12 = 391,558.25/x
  3. Step 3: Cross multiply
    582,434.15x = 804,007.12 × 391,558.25
  4. Step 4: Simplify right side
    582,434.15x = 314,815,622,660.03
  5. Step 5: Solve for x
    x = 314,815,622,660.03/582,434.15
  6. Step 6: Final answer
    x = 540,517.11

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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.