Home / 525,769.28-725,561.63-284,051.85

Finding the Fourth Proportional to 525,769.28, 725,561.63 and 284,051.85

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Solution

The fourth proportional to 525,769.28, 725,561.63 and 284,051.85 is: 391,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,769.28 : 725,561.63 = 284,051.85 : x
  2. Step 2: Convert to fraction form
    525,769.28/725,561.63 = 284,051.85/x
  3. Step 3: Cross multiply
    525,769.28x = 725,561.63 × 284,051.85
  4. Step 4: Simplify right side
    525,769.28x = 206,097,122,476.66
  5. Step 5: Solve for x
    x = 206,097,122,476.66/525,769.28
  6. Step 6: Final answer
    x = 391,991.57

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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.