Home / 1,226,831.80-1,840,334.10-694,607.80

Finding the Fourth Proportional to 1,226,831.80, 1,840,334.10 and 694,607.80

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Solution

The fourth proportional to 1,226,831.80, 1,840,334.10 and 694,607.80 is: 1,041,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,831.80 : 1,840,334.10 = 694,607.80 : x
  2. Step 2: Convert to fraction form
    1,226,831.80/1,840,334.10 = 694,607.80/x
  3. Step 3: Cross multiply
    1,226,831.80x = 1,840,334.10 × 694,607.80
  4. Step 4: Simplify right side
    1,226,831.80x = 1,278,310,420,465.98
  5. Step 5: Solve for x
    x = 1,278,310,420,465.98/1,226,831.80
  6. Step 6: Final answer
    x = 1,041,960.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.