Home / 787,849.35-1,087,217.34-481,903.26

Finding the Fourth Proportional to 787,849.35, 1,087,217.34 and 481,903.26

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Solution

The fourth proportional to 787,849.35, 1,087,217.34 and 481,903.26 is: 665,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,849.35 : 1,087,217.34 = 481,903.26 : x
  2. Step 2: Convert to fraction form
    787,849.35/1,087,217.34 = 481,903.26/x
  3. Step 3: Cross multiply
    787,849.35x = 1,087,217.34 × 481,903.26
  4. Step 4: Simplify right side
    787,849.35x = 523,933,580,474.53
  5. Step 5: Solve for x
    x = 523,933,580,474.53/787,849.35
  6. Step 6: Final answer
    x = 665,017.47

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1.5x scale

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.