Home / 963,192.45-1,330,099.07-721,054.65

Finding the Fourth Proportional to 963,192.45, 1,330,099.07 and 721,054.65

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Solution

The fourth proportional to 963,192.45, 1,330,099.07 and 721,054.65 is: 995,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,192.45 : 1,330,099.07 = 721,054.65 : x
  2. Step 2: Convert to fraction form
    963,192.45/1,330,099.07 = 721,054.65/x
  3. Step 3: Cross multiply
    963,192.45x = 1,330,099.07 × 721,054.65
  4. Step 4: Simplify right side
    963,192.45x = 959,074,115,778.90
  5. Step 5: Solve for x
    x = 959,074,115,778.90/963,192.45
  6. Step 6: Final answer
    x = 995,724.29

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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.