Home / 683,727.54-943,543.70-377,801.25

Finding the Fourth Proportional to 683,727.54, 943,543.70 and 377,801.25

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Solution

The fourth proportional to 683,727.54, 943,543.70 and 377,801.25 is: 521,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,727.54 : 943,543.70 = 377,801.25 : x
  2. Step 2: Convert to fraction form
    683,727.54/943,543.70 = 377,801.25/x
  3. Step 3: Cross multiply
    683,727.54x = 943,543.70 × 377,801.25
  4. Step 4: Simplify right side
    683,727.54x = 356,471,987,400.62
  5. Step 5: Solve for x
    x = 356,471,987,400.62/683,727.54
  6. Step 6: Final answer
    x = 521,365.55

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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.