Home / 825,632.67-1,138,889.19-519,223.04

Finding the Fourth Proportional to 825,632.67, 1,138,889.19 and 519,223.04

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Solution

The fourth proportional to 825,632.67, 1,138,889.19 and 519,223.04 is: 716,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,632.67 : 1,138,889.19 = 519,223.04 : x
  2. Step 2: Convert to fraction form
    825,632.67/1,138,889.19 = 519,223.04/x
  3. Step 3: Cross multiply
    825,632.67x = 1,138,889.19 × 519,223.04
  4. Step 4: Simplify right side
    825,632.67x = 591,337,501,760.49
  5. Step 5: Solve for x
    x = 591,337,501,760.49/825,632.67
  6. Step 6: Final answer
    x = 716,223.48

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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.