Home / 915,666.57-1,263,465.87-610,198.98

Finding the Fourth Proportional to 915,666.57, 1,263,465.87 and 610,198.98

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Solution

The fourth proportional to 915,666.57, 1,263,465.87 and 610,198.98 is: 841,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,666.57 : 1,263,465.87 = 610,198.98 : x
  2. Step 2: Convert to fraction form
    915,666.57/1,263,465.87 = 610,198.98/x
  3. Step 3: Cross multiply
    915,666.57x = 1,263,465.87 × 610,198.98
  4. Step 4: Simplify right side
    915,666.57x = 770,965,585,138.81
  5. Step 5: Solve for x
    x = 770,965,585,138.81/915,666.57
  6. Step 6: Final answer
    x = 841,971.97

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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.