Home / 886,477.47-1,223,157.56-523,719.51

Finding the Fourth Proportional to 886,477.47, 1,223,157.56 and 523,719.51

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Solution

The fourth proportional to 886,477.47, 1,223,157.56 and 523,719.51 is: 722,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,477.47 : 1,223,157.56 = 523,719.51 : x
  2. Step 2: Convert to fraction form
    886,477.47/1,223,157.56 = 523,719.51/x
  3. Step 3: Cross multiply
    886,477.47x = 1,223,157.56 × 523,719.51
  4. Step 4: Simplify right side
    886,477.47x = 640,591,475,357.40
  5. Step 5: Solve for x
    x = 640,591,475,357.40/886,477.47
  6. Step 6: Final answer
    x = 722,625.78

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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.