Home / 691,022.20-953,640.06-385,098.94

Finding the Fourth Proportional to 691,022.20, 953,640.06 and 385,098.94

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Solution

The fourth proportional to 691,022.20, 953,640.06 and 385,098.94 is: 531,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,022.20 : 953,640.06 = 385,098.94 : x
  2. Step 2: Convert to fraction form
    691,022.20/953,640.06 = 385,098.94/x
  3. Step 3: Cross multiply
    691,022.20x = 953,640.06 × 385,098.94
  4. Step 4: Simplify right side
    691,022.20x = 367,245,776,247.54
  5. Step 5: Solve for x
    x = 367,245,776,247.54/691,022.20
  6. Step 6: Final answer
    x = 531,452.93

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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.