Home / 1,069,105.76-1,474,806.66-661,077.14

Finding the Fourth Proportional to 1,069,105.76, 1,474,806.66 and 661,077.14

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Solution

The fourth proportional to 1,069,105.76, 1,474,806.66 and 661,077.14 is: 911,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,105.76 : 1,474,806.66 = 661,077.14 : x
  2. Step 2: Convert to fraction form
    1,069,105.76/1,474,806.66 = 661,077.14/x
  3. Step 3: Cross multiply
    1,069,105.76x = 1,474,806.66 × 661,077.14
  4. Step 4: Simplify right side
    1,069,105.76x = 974,960,968,845.75
  5. Step 5: Solve for x
    x = 974,960,968,845.75/1,069,105.76
  6. Step 6: Final answer
    x = 911,940.62

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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.