Home / 577,990.09-797,786.76-336,319.50

Finding the Fourth Proportional to 577,990.09, 797,786.76 and 336,319.50

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Solution

The fourth proportional to 577,990.09, 797,786.76 and 336,319.50 is: 464,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,990.09 : 797,786.76 = 336,319.50 : x
  2. Step 2: Convert to fraction form
    577,990.09/797,786.76 = 336,319.50/x
  3. Step 3: Cross multiply
    577,990.09x = 797,786.76 × 336,319.50
  4. Step 4: Simplify right side
    577,990.09x = 268,311,244,229.82
  5. Step 5: Solve for x
    x = 268,311,244,229.82/577,990.09
  6. Step 6: Final answer
    x = 464,214.26

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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.