Home / 808,068.56-1,115,184.87-445,491.91

Finding the Fourth Proportional to 808,068.56, 1,115,184.87 and 445,491.91

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Solution

The fourth proportional to 808,068.56, 1,115,184.87 and 445,491.91 is: 614,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,068.56 : 1,115,184.87 = 445,491.91 : x
  2. Step 2: Convert to fraction form
    808,068.56/1,115,184.87 = 445,491.91/x
  3. Step 3: Cross multiply
    808,068.56x = 1,115,184.87 × 445,491.91
  4. Step 4: Simplify right side
    808,068.56x = 496,805,834,951.44
  5. Step 5: Solve for x
    x = 496,805,834,951.44/808,068.56
  6. Step 6: Final answer
    x = 614,806.54

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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.