Home / 962,656.32-1,327,662.72-721,513.92

Finding the Fourth Proportional to 962,656.32, 1,327,662.72 and 721,513.92

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Solution

The fourth proportional to 962,656.32, 1,327,662.72 and 721,513.92 is: 995,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,656.32 : 1,327,662.72 = 721,513.92 : x
  2. Step 2: Convert to fraction form
    962,656.32/1,327,662.72 = 721,513.92/x
  3. Step 3: Cross multiply
    962,656.32x = 1,327,662.72 × 721,513.92
  4. Step 4: Simplify right side
    962,656.32x = 957,927,133,545.06
  5. Step 5: Solve for x
    x = 957,927,133,545.06/962,656.32
  6. Step 6: Final answer
    x = 995,087.36

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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.