Home / 387,831.98-534,766.88-273,073.94

Finding the Fourth Proportional to 387,831.98, 534,766.88 and 273,073.94

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Solution

The fourth proportional to 387,831.98, 534,766.88 and 273,073.94 is: 376,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,831.98 : 534,766.88 = 273,073.94 : x
  2. Step 2: Convert to fraction form
    387,831.98/534,766.88 = 273,073.94/x
  3. Step 3: Cross multiply
    387,831.98x = 534,766.88 × 273,073.94
  4. Step 4: Simplify right side
    387,831.98x = 146,030,898,903.11
  5. Step 5: Solve for x
    x = 146,030,898,903.11/387,831.98
  6. Step 6: Final answer
    x = 376,531.35

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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.