Home / 1,276,833.42-1,915,687.53-435,975.66

Finding the Fourth Proportional to 1,276,833.42, 1,915,687.53 and 435,975.66

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Solution

The fourth proportional to 1,276,833.42, 1,915,687.53 and 435,975.66 is: 654,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,833.42 : 1,915,687.53 = 435,975.66 : x
  2. Step 2: Convert to fraction form
    1,276,833.42/1,915,687.53 = 435,975.66/x
  3. Step 3: Cross multiply
    1,276,833.42x = 1,915,687.53 × 435,975.66
  4. Step 4: Simplify right side
    1,276,833.42x = 835,193,135,245.52
  5. Step 5: Solve for x
    x = 835,193,135,245.52/1,276,833.42
  6. Step 6: Final answer
    x = 654,112.84

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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.