Home / 663,944.19-995,376.01-208,301.19

Finding the Fourth Proportional to 663,944.19, 995,376.01 and 208,301.19

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Solution

The fourth proportional to 663,944.19, 995,376.01 and 208,301.19 is: 312,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,944.19 : 995,376.01 = 208,301.19 : x
  2. Step 2: Convert to fraction form
    663,944.19/995,376.01 = 208,301.19/x
  3. Step 3: Cross multiply
    663,944.19x = 995,376.01 × 208,301.19
  4. Step 4: Simplify right side
    663,944.19x = 207,338,007,901.21
  5. Step 5: Solve for x
    x = 207,338,007,901.21/663,944.19
  6. Step 6: Final answer
    x = 312,282.29

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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.