Home / 1,131,152.58-1,560,470.40-1,002,221.64

Finding the Fourth Proportional to 1,131,152.58, 1,560,470.40 and 1,002,221.64

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Solution

The fourth proportional to 1,131,152.58, 1,560,470.40 and 1,002,221.64 is: 1,382,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,152.58 : 1,560,470.40 = 1,002,221.64 : x
  2. Step 2: Convert to fraction form
    1,131,152.58/1,560,470.40 = 1,002,221.64/x
  3. Step 3: Cross multiply
    1,131,152.58x = 1,560,470.40 × 1,002,221.64
  4. Step 4: Simplify right side
    1,131,152.58x = 1,563,937,203,459.46
  5. Step 5: Solve for x
    x = 1,563,937,203,459.46/1,131,152.58
  6. Step 6: Final answer
    x = 1,382,604.99

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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.