Home / 527,273.16-727,637.91-285,555.03

Finding the Fourth Proportional to 527,273.16, 727,637.91 and 285,555.03

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Solution

The fourth proportional to 527,273.16, 727,637.91 and 285,555.03 is: 394,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,273.16 : 727,637.91 = 285,555.03 : x
  2. Step 2: Convert to fraction form
    527,273.16/727,637.91 = 285,555.03/x
  3. Step 3: Cross multiply
    527,273.16x = 727,637.91 × 285,555.03
  4. Step 4: Simplify right side
    527,273.16x = 207,780,665,219.19
  5. Step 5: Solve for x
    x = 207,780,665,219.19/527,273.16
  6. Step 6: Final answer
    x = 394,066.46

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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.