Home / 421,831.31-582,037.16-249,803.33

Finding the Fourth Proportional to 421,831.31, 582,037.16 and 249,803.33

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Solution

The fourth proportional to 421,831.31, 582,037.16 and 249,803.33 is: 344,675.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,831.31 : 582,037.16 = 249,803.33 : x
  2. Step 2: Convert to fraction form
    421,831.31/582,037.16 = 249,803.33/x
  3. Step 3: Cross multiply
    421,831.31x = 582,037.16 × 249,803.33
  4. Step 4: Simplify right side
    421,831.31x = 145,394,816,592.54
  5. Step 5: Solve for x
    x = 145,394,816,592.54/421,831.31
  6. Step 6: Final answer
    x = 344,675.26

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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.