Home / 1,213,700.85-1,811,322.51-1,079,183.34

Finding the Fourth Proportional to 1,213,700.85, 1,811,322.51 and 1,079,183.34

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Solution

The fourth proportional to 1,213,700.85, 1,811,322.51 and 1,079,183.34 is: 1,610,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,700.85 : 1,811,322.51 = 1,079,183.34 : x
  2. Step 2: Convert to fraction form
    1,213,700.85/1,811,322.51 = 1,079,183.34/x
  3. Step 3: Cross multiply
    1,213,700.85x = 1,811,322.51 × 1,079,183.34
  4. Step 4: Simplify right side
    1,213,700.85x = 1,954,749,076,158.98
  5. Step 5: Solve for x
    x = 1,954,749,076,158.98/1,213,700.85
  6. Step 6: Final answer
    x = 1,610,569.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.