Home / 1,123,615.62-1,685,591.19-413,589.60

Finding the Fourth Proportional to 1,123,615.62, 1,685,591.19 and 413,589.60

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Solution

The fourth proportional to 1,123,615.62, 1,685,591.19 and 413,589.60 is: 620,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,615.62 : 1,685,591.19 = 413,589.60 : x
  2. Step 2: Convert to fraction form
    1,123,615.62/1,685,591.19 = 413,589.60/x
  3. Step 3: Cross multiply
    1,123,615.62x = 1,685,591.19 × 413,589.60
  4. Step 4: Simplify right side
    1,123,615.62x = 697,142,986,035.62
  5. Step 5: Solve for x
    x = 697,142,986,035.62/1,123,615.62
  6. Step 6: Final answer
    x = 620,446.15

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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.