Home / 526,828.31-727,024.92-285,110.81

Finding the Fourth Proportional to 526,828.31, 727,024.92 and 285,110.81

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Solution

The fourth proportional to 526,828.31, 727,024.92 and 285,110.81 is: 393,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,828.31 : 727,024.92 = 285,110.81 : x
  2. Step 2: Convert to fraction form
    526,828.31/727,024.92 = 285,110.81/x
  3. Step 3: Cross multiply
    526,828.31x = 727,024.92 × 285,110.81
  4. Step 4: Simplify right side
    526,828.31x = 207,282,663,831.39
  5. Step 5: Solve for x
    x = 207,282,663,831.39/526,828.31
  6. Step 6: Final answer
    x = 393,453.92

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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.