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Finding the Fourth Proportional to 1,823,740.86, 2,516,770.78 and 996,831.48

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Solution

The fourth proportional to 1,823,740.86, 2,516,770.78 and 996,831.48 is: 1,375,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823,740.86 : 2,516,770.78 = 996,831.48 : x
  2. Step 2: Convert to fraction form
    1,823,740.86/2,516,770.78 = 996,831.48/x
  3. Step 3: Cross multiply
    1,823,740.86x = 2,516,770.78 × 996,831.48
  4. Step 4: Simplify right side
    1,823,740.86x = 2,508,796,341,448.15
  5. Step 5: Solve for x
    x = 2,508,796,341,448.15/1,823,740.86
  6. Step 6: Final answer
    x = 1,375,632.03

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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.