Home / 866,325.87-1,195,049.75-503,709.66

Finding the Fourth Proportional to 866,325.87, 1,195,049.75 and 503,709.66

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Solution

The fourth proportional to 866,325.87, 1,195,049.75 and 503,709.66 is: 694,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,325.87 : 1,195,049.75 = 503,709.66 : x
  2. Step 2: Convert to fraction form
    866,325.87/1,195,049.75 = 503,709.66/x
  3. Step 3: Cross multiply
    866,325.87x = 1,195,049.75 × 503,709.66
  4. Step 4: Simplify right side
    866,325.87x = 601,958,100,737.04
  5. Step 5: Solve for x
    x = 601,958,100,737.04/866,325.87
  6. Step 6: Final answer
    x = 694,840.27

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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.