Home / 497,717.97-686,831.03-293,834.58

Finding the Fourth Proportional to 497,717.97, 686,831.03 and 293,834.58

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Solution

The fourth proportional to 497,717.97, 686,831.03 and 293,834.58 is: 405,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,717.97 : 686,831.03 = 293,834.58 : x
  2. Step 2: Convert to fraction form
    497,717.97/686,831.03 = 293,834.58/x
  3. Step 3: Cross multiply
    497,717.97x = 686,831.03 × 293,834.58
  4. Step 4: Simplify right side
    497,717.97x = 201,814,705,761.85
  5. Step 5: Solve for x
    x = 201,814,705,761.85/497,717.97
  6. Step 6: Final answer
    x = 405,480.05

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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.