Home / 783,898.56-1,081,650.11-461,491.02

Finding the Fourth Proportional to 783,898.56, 1,081,650.11 and 461,491.02

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Solution

The fourth proportional to 783,898.56, 1,081,650.11 and 461,491.02 is: 636,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,898.56 : 1,081,650.11 = 461,491.02 : x
  2. Step 2: Convert to fraction form
    783,898.56/1,081,650.11 = 461,491.02/x
  3. Step 3: Cross multiply
    783,898.56x = 1,081,650.11 × 461,491.02
  4. Step 4: Simplify right side
    783,898.56x = 499,171,810,239.56
  5. Step 5: Solve for x
    x = 499,171,810,239.56/783,898.56
  6. Step 6: Final answer
    x = 636,781.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.