Home / 865,243.61-1,194,060.26-478,083.97

Finding the Fourth Proportional to 865,243.61, 1,194,060.26 and 478,083.97

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Solution

The fourth proportional to 865,243.61, 1,194,060.26 and 478,083.97 is: 659,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,243.61 : 1,194,060.26 = 478,083.97 : x
  2. Step 2: Convert to fraction form
    865,243.61/1,194,060.26 = 478,083.97/x
  3. Step 3: Cross multiply
    865,243.61x = 1,194,060.26 × 478,083.97
  4. Step 4: Simplify right side
    865,243.61x = 570,861,069,520.03
  5. Step 5: Solve for x
    x = 570,861,069,520.03/865,243.61
  6. Step 6: Final answer
    x = 659,769.18

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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.