Home / 1,183,220.89-1,632,974.56-686,614.19

Finding the Fourth Proportional to 1,183,220.89, 1,632,974.56 and 686,614.19

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Solution

The fourth proportional to 1,183,220.89, 1,632,974.56 and 686,614.19 is: 947,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,220.89 : 1,632,974.56 = 686,614.19 : x
  2. Step 2: Convert to fraction form
    1,183,220.89/1,632,974.56 = 686,614.19/x
  3. Step 3: Cross multiply
    1,183,220.89x = 1,632,974.56 × 686,614.19
  4. Step 4: Simplify right side
    1,183,220.89x = 1,121,223,494,923.60
  5. Step 5: Solve for x
    x = 1,121,223,494,923.60/1,183,220.89
  6. Step 6: Final answer
    x = 947,602.86

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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.