Home / 727,864.24-1,004,456.76-422,122

Finding the Fourth Proportional to 727,864.24, 1,004,456.76 and 422,122

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Solution

The fourth proportional to 727,864.24, 1,004,456.76 and 422,122 is: 582,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,864.24 : 1,004,456.76 = 422,122 : x
  2. Step 2: Convert to fraction form
    727,864.24/1,004,456.76 = 422,122/x
  3. Step 3: Cross multiply
    727,864.24x = 1,004,456.76 × 422,122
  4. Step 4: Simplify right side
    727,864.24x = 424,003,296,444.72
  5. Step 5: Solve for x
    x = 424,003,296,444.72/727,864.24
  6. Step 6: Final answer
    x = 582,530.74

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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.