Home / 915,693.57-1,263,503.07-610,225.97

Finding the Fourth Proportional to 915,693.57, 1,263,503.07 and 610,225.97

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Solution

The fourth proportional to 915,693.57, 1,263,503.07 and 610,225.97 is: 842,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,693.57 : 1,263,503.07 = 610,225.97 : x
  2. Step 2: Convert to fraction form
    915,693.57/1,263,503.07 = 610,225.97/x
  3. Step 3: Cross multiply
    915,693.57x = 1,263,503.07 × 610,225.97
  4. Step 4: Simplify right side
    915,693.57x = 771,022,380,171.21
  5. Step 5: Solve for x
    x = 771,022,380,171.21/915,693.57
  6. Step 6: Final answer
    x = 842,009.17

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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.