Home / 831,716.43-1,147,775.53-459,191.35

Finding the Fourth Proportional to 831,716.43, 1,147,775.53 and 459,191.35

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Solution

The fourth proportional to 831,716.43, 1,147,775.53 and 459,191.35 is: 633,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,716.43 : 1,147,775.53 = 459,191.35 : x
  2. Step 2: Convert to fraction form
    831,716.43/1,147,775.53 = 459,191.35/x
  3. Step 3: Cross multiply
    831,716.43x = 1,147,775.53 × 459,191.35
  4. Step 4: Simplify right side
    831,716.43x = 527,048,595,117.67
  5. Step 5: Solve for x
    x = 527,048,595,117.67/831,716.43
  6. Step 6: Final answer
    x = 633,687.85

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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.