Home / 666,587.26-999,979.44-193,211.11

Finding the Fourth Proportional to 666,587.26, 999,979.44 and 193,211.11

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Solution

The fourth proportional to 666,587.26, 999,979.44 and 193,211.11 is: 289,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,587.26 : 999,979.44 = 193,211.11 : x
  2. Step 2: Convert to fraction form
    666,587.26/999,979.44 = 193,211.11/x
  3. Step 3: Cross multiply
    666,587.26x = 999,979.44 × 193,211.11
  4. Step 4: Simplify right side
    666,587.26x = 193,207,137,579.58
  5. Step 5: Solve for x
    x = 193,207,137,579.58/666,587.26
  6. Step 6: Final answer
    x = 289,845.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.