Home / 1,255,688.43-1,883,490.39-545,716.53

Finding the Fourth Proportional to 1,255,688.43, 1,883,490.39 and 545,716.53

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Solution

The fourth proportional to 1,255,688.43, 1,883,490.39 and 545,716.53 is: 818,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,688.43 : 1,883,490.39 = 545,716.53 : x
  2. Step 2: Convert to fraction form
    1,255,688.43/1,883,490.39 = 545,716.53/x
  3. Step 3: Cross multiply
    1,255,688.43x = 1,883,490.39 × 545,716.53
  4. Step 4: Simplify right side
    1,255,688.43x = 1,027,851,839,919.15
  5. Step 5: Solve for x
    x = 1,027,851,839,919.15/1,255,688.43
  6. Step 6: Final answer
    x = 818,556.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.