Home / 636,046.22-877,795.89-381,391.94

Finding the Fourth Proportional to 636,046.22, 877,795.89 and 381,391.94

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Solution

The fourth proportional to 636,046.22, 877,795.89 and 381,391.94 is: 526,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,046.22 : 877,795.89 = 381,391.94 : x
  2. Step 2: Convert to fraction form
    636,046.22/877,795.89 = 381,391.94/x
  3. Step 3: Cross multiply
    636,046.22x = 877,795.89 × 381,391.94
  4. Step 4: Simplify right side
    636,046.22x = 334,784,278,175.40
  5. Step 5: Solve for x
    x = 334,784,278,175.40/636,046.22
  6. Step 6: Final answer
    x = 526,352.12

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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.