Home / 1,399,089.70-2,098,634.55-453,139.30

Finding the Fourth Proportional to 1,399,089.70, 2,098,634.55 and 453,139.30

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Solution

The fourth proportional to 1,399,089.70, 2,098,634.55 and 453,139.30 is: 679,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,089.70 : 2,098,634.55 = 453,139.30 : x
  2. Step 2: Convert to fraction form
    1,399,089.70/2,098,634.55 = 453,139.30/x
  3. Step 3: Cross multiply
    1,399,089.70x = 2,098,634.55 × 453,139.30
  4. Step 4: Simplify right side
    1,399,089.70x = 950,973,790,942.82
  5. Step 5: Solve for x
    x = 950,973,790,942.82/1,399,089.70
  6. Step 6: Final answer
    x = 679,708.95

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Double scale
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Similar ratio
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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.