Home / 1,491,036.90-2,236,555.35-369,105.90

Finding the Fourth Proportional to 1,491,036.90, 2,236,555.35 and 369,105.90

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Solution

The fourth proportional to 1,491,036.90, 2,236,555.35 and 369,105.90 is: 553,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,036.90 : 2,236,555.35 = 369,105.90 : x
  2. Step 2: Convert to fraction form
    1,491,036.90/2,236,555.35 = 369,105.90/x
  3. Step 3: Cross multiply
    1,491,036.90x = 2,236,555.35 × 369,105.90
  4. Step 4: Simplify right side
    1,491,036.90x = 825,525,775,361.57
  5. Step 5: Solve for x
    x = 825,525,775,361.57/1,491,036.90
  6. Step 6: Final answer
    x = 553,658.85

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Double scale
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Similar ratio
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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.