Home / 885,843.10-1,328,764.65-619,903.90

Finding the Fourth Proportional to 885,843.10, 1,328,764.65 and 619,903.90

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Solution

The fourth proportional to 885,843.10, 1,328,764.65 and 619,903.90 is: 929,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,843.10 : 1,328,764.65 = 619,903.90 : x
  2. Step 2: Convert to fraction form
    885,843.10/1,328,764.65 = 619,903.90/x
  3. Step 3: Cross multiply
    885,843.10x = 1,328,764.65 × 619,903.90
  4. Step 4: Simplify right side
    885,843.10x = 823,706,388,717.14
  5. Step 5: Solve for x
    x = 823,706,388,717.14/885,843.10
  6. Step 6: Final answer
    x = 929,855.85

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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.