Home / 936,839.27-1,292,762.88-529,040.31

Finding the Fourth Proportional to 936,839.27, 1,292,762.88 and 529,040.31

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Solution

The fourth proportional to 936,839.27, 1,292,762.88 and 529,040.31 is: 730,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,839.27 : 1,292,762.88 = 529,040.31 : x
  2. Step 2: Convert to fraction form
    936,839.27/1,292,762.88 = 529,040.31/x
  3. Step 3: Cross multiply
    936,839.27x = 1,292,762.88 × 529,040.31
  4. Step 4: Simplify right side
    936,839.27x = 683,923,674,791.69
  5. Step 5: Solve for x
    x = 683,923,674,791.69/936,839.27
  6. Step 6: Final answer
    x = 730,033.10

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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.