Home / 866,099.16-1,299,065.11-266,899.43

Finding the Fourth Proportional to 866,099.16, 1,299,065.11 and 266,899.43

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Solution

The fourth proportional to 866,099.16, 1,299,065.11 and 266,899.43 is: 400,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,099.16 : 1,299,065.11 = 266,899.43 : x
  2. Step 2: Convert to fraction form
    866,099.16/1,299,065.11 = 266,899.43/x
  3. Step 3: Cross multiply
    866,099.16x = 1,299,065.11 × 266,899.43
  4. Step 4: Simplify right side
    866,099.16x = 346,719,739,972.30
  5. Step 5: Solve for x
    x = 346,719,739,972.30/866,099.16
  6. Step 6: Final answer
    x = 400,323.38

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1.5x scale

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.