Home / 1,251,554.34-1,876,709.78-398,514.62

Finding the Fourth Proportional to 1,251,554.34, 1,876,709.78 and 398,514.62

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Solution

The fourth proportional to 1,251,554.34, 1,876,709.78 and 398,514.62 is: 597,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,554.34 : 1,876,709.78 = 398,514.62 : x
  2. Step 2: Convert to fraction form
    1,251,554.34/1,876,709.78 = 398,514.62/x
  3. Step 3: Cross multiply
    1,251,554.34x = 1,876,709.78 × 398,514.62
  4. Step 4: Simplify right side
    1,251,554.34x = 747,896,284,826.98
  5. Step 5: Solve for x
    x = 747,896,284,826.98/1,251,554.34
  6. Step 6: Final answer
    x = 597,573.96

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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.