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Finding the Fourth Proportional to 897,831.84, 1,238,003.28 and 733,976.94

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Solution

The fourth proportional to 897,831.84, 1,238,003.28 and 733,976.94 is: 1,012,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,831.84 : 1,238,003.28 = 733,976.94 : x
  2. Step 2: Convert to fraction form
    897,831.84/1,238,003.28 = 733,976.94/x
  3. Step 3: Cross multiply
    897,831.84x = 1,238,003.28 × 733,976.94
  4. Step 4: Simplify right side
    897,831.84x = 908,665,859,164.36
  5. Step 5: Solve for x
    x = 908,665,859,164.36/897,831.84
  6. Step 6: Final answer
    x = 1,012,066.87

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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.