Home / 1,436,523.40-2,154,785.10-636,956.20

Finding the Fourth Proportional to 1,436,523.40, 2,154,785.10 and 636,956.20

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Solution

The fourth proportional to 1,436,523.40, 2,154,785.10 and 636,956.20 is: 955,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,523.40 : 2,154,785.10 = 636,956.20 : x
  2. Step 2: Convert to fraction form
    1,436,523.40/2,154,785.10 = 636,956.20/x
  3. Step 3: Cross multiply
    1,436,523.40x = 2,154,785.10 × 636,956.20
  4. Step 4: Simplify right side
    1,436,523.40x = 1,372,503,729,112.62
  5. Step 5: Solve for x
    x = 1,372,503,729,112.62/1,436,523.40
  6. Step 6: Final answer
    x = 955,434.30

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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.