Home / 1,238,927.20-1,857,953.40-440,234.80

Finding the Fourth Proportional to 1,238,927.20, 1,857,953.40 and 440,234.80

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Solution

The fourth proportional to 1,238,927.20, 1,857,953.40 and 440,234.80 is: 660,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,927.20 : 1,857,953.40 = 440,234.80 : x
  2. Step 2: Convert to fraction form
    1,238,927.20/1,857,953.40 = 440,234.80/x
  3. Step 3: Cross multiply
    1,238,927.20x = 1,857,953.40 × 440,234.80
  4. Step 4: Simplify right side
    1,238,927.20x = 817,935,743,458.32
  5. Step 5: Solve for x
    x = 817,935,743,458.32/1,238,927.20
  6. Step 6: Final answer
    x = 660,196.78

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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.