Home / 947,320.92-1,308,175.92-608,379.66

Finding the Fourth Proportional to 947,320.92, 1,308,175.92 and 608,379.66

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Solution

The fourth proportional to 947,320.92, 1,308,175.92 and 608,379.66 is: 840,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,320.92 : 1,308,175.92 = 608,379.66 : x
  2. Step 2: Convert to fraction form
    947,320.92/1,308,175.92 = 608,379.66/x
  3. Step 3: Cross multiply
    947,320.92x = 1,308,175.92 × 608,379.66
  4. Step 4: Simplify right side
    947,320.92x = 795,867,621,429.79
  5. Step 5: Solve for x
    x = 795,867,621,429.79/947,320.92
  6. Step 6: Final answer
    x = 840,124.61

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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.