Home / 582,456.98-804,038.60-391,581.06

Finding the Fourth Proportional to 582,456.98, 804,038.60 and 391,581.06

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Solution

The fourth proportional to 582,456.98, 804,038.60 and 391,581.06 is: 540,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,456.98 : 804,038.60 = 391,581.06 : x
  2. Step 2: Convert to fraction form
    582,456.98/804,038.60 = 391,581.06/x
  3. Step 3: Cross multiply
    582,456.98x = 804,038.60 × 391,581.06
  4. Step 4: Simplify right side
    582,456.98x = 314,846,287,268.92
  5. Step 5: Solve for x
    x = 314,846,287,268.92/582,456.98
  6. Step 6: Final answer
    x = 540,548.57

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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.