Home / 936,839.64-1,292,763.40-529,040.69

Finding the Fourth Proportional to 936,839.64, 1,292,763.40 and 529,040.69

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Solution

The fourth proportional to 936,839.64, 1,292,763.40 and 529,040.69 is: 730,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,839.64 : 1,292,763.40 = 529,040.69 : x
  2. Step 2: Convert to fraction form
    936,839.64/1,292,763.40 = 529,040.69/x
  3. Step 3: Cross multiply
    936,839.64x = 1,292,763.40 × 529,040.69
  4. Step 4: Simplify right side
    936,839.64x = 683,924,433,356.33
  5. Step 5: Solve for x
    x = 683,924,433,356.33/936,839.64
  6. Step 6: Final answer
    x = 730,033.62

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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.