Home / 636,176.04-877,556.88-381,379.20

Finding the Fourth Proportional to 636,176.04, 877,556.88 and 381,379.20

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Solution

The fourth proportional to 636,176.04, 877,556.88 and 381,379.20 is: 526,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,176.04 : 877,556.88 = 381,379.20 : x
  2. Step 2: Convert to fraction form
    636,176.04/877,556.88 = 381,379.20/x
  3. Step 3: Cross multiply
    636,176.04x = 877,556.88 × 381,379.20
  4. Step 4: Simplify right side
    636,176.04x = 334,681,940,848.90
  5. Step 5: Solve for x
    x = 334,681,940,848.90/636,176.04
  6. Step 6: Final answer
    x = 526,083.85

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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.