Home / 869,626.38-1,200,096.81-525,414.54

Finding the Fourth Proportional to 869,626.38, 1,200,096.81 and 525,414.54

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Solution

The fourth proportional to 869,626.38, 1,200,096.81 and 525,414.54 is: 725,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,626.38 : 1,200,096.81 = 525,414.54 : x
  2. Step 2: Convert to fraction form
    869,626.38/1,200,096.81 = 525,414.54/x
  3. Step 3: Cross multiply
    869,626.38x = 1,200,096.81 × 525,414.54
  4. Step 4: Simplify right side
    869,626.38x = 630,548,313,381.62
  5. Step 5: Solve for x
    x = 630,548,313,381.62/869,626.38
  6. Step 6: Final answer
    x = 725,079.56

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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.