Home / 1,489,999.52-2,235,073.08-425,198.48

Finding the Fourth Proportional to 1,489,999.52, 2,235,073.08 and 425,198.48

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Solution

The fourth proportional to 1,489,999.52, 2,235,073.08 and 425,198.48 is: 637,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,999.52 : 2,235,073.08 = 425,198.48 : x
  2. Step 2: Convert to fraction form
    1,489,999.52/2,235,073.08 = 425,198.48/x
  3. Step 3: Cross multiply
    1,489,999.52x = 2,235,073.08 × 425,198.48
  4. Step 4: Simplify right side
    1,489,999.52x = 950,349,676,304.92
  5. Step 5: Solve for x
    x = 950,349,676,304.92/1,489,999.52
  6. Step 6: Final answer
    x = 637,818.78

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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.