Home / 1,491,036.52-2,236,623.90-426,229.96

Finding the Fourth Proportional to 1,491,036.52, 2,236,623.90 and 426,229.96

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Solution

The fourth proportional to 1,491,036.52, 2,236,623.90 and 426,229.96 is: 639,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,036.52 : 2,236,623.90 = 426,229.96 : x
  2. Step 2: Convert to fraction form
    1,491,036.52/2,236,623.90 = 426,229.96/x
  3. Step 3: Cross multiply
    1,491,036.52x = 2,236,623.90 × 426,229.96
  4. Step 4: Simplify right side
    1,491,036.52x = 953,316,115,432.04
  5. Step 5: Solve for x
    x = 953,316,115,432.04/1,491,036.52
  6. Step 6: Final answer
    x = 639,364.70

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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.