Home / 1,282,455.60-1,923,229.80-440,811.60

Finding the Fourth Proportional to 1,282,455.60, 1,923,229.80 and 440,811.60

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Solution

The fourth proportional to 1,282,455.60, 1,923,229.80 and 440,811.60 is: 661,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,455.60 : 1,923,229.80 = 440,811.60 : x
  2. Step 2: Convert to fraction form
    1,282,455.60/1,923,229.80 = 440,811.60/x
  3. Step 3: Cross multiply
    1,282,455.60x = 1,923,229.80 × 440,811.60
  4. Step 4: Simplify right side
    1,282,455.60x = 847,782,005,305.68
  5. Step 5: Solve for x
    x = 847,782,005,305.68/1,282,455.60
  6. Step 6: Final answer
    x = 661,061.49

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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.