Home / 661,326.53-912,701.97-374,815.85

Finding the Fourth Proportional to 661,326.53, 912,701.97 and 374,815.85

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Solution

The fourth proportional to 661,326.53, 912,701.97 and 374,815.85 is: 517,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,326.53 : 912,701.97 = 374,815.85 : x
  2. Step 2: Convert to fraction form
    661,326.53/912,701.97 = 374,815.85/x
  3. Step 3: Cross multiply
    661,326.53x = 912,701.97 × 374,815.85
  4. Step 4: Simplify right side
    661,326.53x = 342,095,160,118.72
  5. Step 5: Solve for x
    x = 342,095,160,118.72/661,326.53
  6. Step 6: Final answer
    x = 517,286.31

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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.