Home / 527,388.09-727,795.23-285,670.11

Finding the Fourth Proportional to 527,388.09, 727,795.23 and 285,670.11

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Solution

The fourth proportional to 527,388.09, 727,795.23 and 285,670.11 is: 394,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,388.09 : 727,795.23 = 285,670.11 : x
  2. Step 2: Convert to fraction form
    527,388.09/727,795.23 = 285,670.11/x
  3. Step 3: Cross multiply
    527,388.09x = 727,795.23 × 285,670.11
  4. Step 4: Simplify right side
    527,388.09x = 207,909,343,411.58
  5. Step 5: Solve for x
    x = 207,909,343,411.58/527,388.09
  6. Step 6: Final answer
    x = 394,224.57

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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.