Home / 939,593.60-1,296,642.56-509,873.71

Finding the Fourth Proportional to 939,593.60, 1,296,642.56 and 509,873.71

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Solution

The fourth proportional to 939,593.60, 1,296,642.56 and 509,873.71 is: 703,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,593.60 : 1,296,642.56 = 509,873.71 : x
  2. Step 2: Convert to fraction form
    939,593.60/1,296,642.56 = 509,873.71/x
  3. Step 3: Cross multiply
    939,593.60x = 1,296,642.56 × 509,873.71
  4. Step 4: Simplify right side
    939,593.60x = 661,123,952,611.10
  5. Step 5: Solve for x
    x = 661,123,952,611.10/939,593.60
  6. Step 6: Final answer
    x = 703,627.56

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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.