Home / 923,817.96-1,274,831.46-515,913.30

Finding the Fourth Proportional to 923,817.96, 1,274,831.46 and 515,913.30

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Solution

The fourth proportional to 923,817.96, 1,274,831.46 and 515,913.30 is: 711,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,817.96 : 1,274,831.46 = 515,913.30 : x
  2. Step 2: Convert to fraction form
    923,817.96/1,274,831.46 = 515,913.30/x
  3. Step 3: Cross multiply
    923,817.96x = 1,274,831.46 × 515,913.30
  4. Step 4: Simplify right side
    923,817.96x = 657,702,505,472.42
  5. Step 5: Solve for x
    x = 657,702,505,472.42/923,817.96
  6. Step 6: Final answer
    x = 711,939.51

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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.