Home / 1,183,221.89-1,632,975.94-686,615.19

Finding the Fourth Proportional to 1,183,221.89, 1,632,975.94 and 686,615.19

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Solution

The fourth proportional to 1,183,221.89, 1,632,975.94 and 686,615.19 is: 947,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,221.89 : 1,632,975.94 = 686,615.19 : x
  2. Step 2: Convert to fraction form
    1,183,221.89/1,632,975.94 = 686,615.19/x
  3. Step 3: Cross multiply
    1,183,221.89x = 1,632,975.94 × 686,615.19
  4. Step 4: Simplify right side
    1,183,221.89x = 1,121,226,085,308.53
  5. Step 5: Solve for x
    x = 1,121,226,085,308.53/1,183,221.89
  6. Step 6: Final answer
    x = 947,604.24

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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.