Home / 756,382.58-1,043,844.95-425,342.69

Finding the Fourth Proportional to 756,382.58, 1,043,844.95 and 425,342.69

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Solution

The fourth proportional to 756,382.58, 1,043,844.95 and 425,342.69 is: 586,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,382.58 : 1,043,844.95 = 425,342.69 : x
  2. Step 2: Convert to fraction form
    756,382.58/1,043,844.95 = 425,342.69/x
  3. Step 3: Cross multiply
    756,382.58x = 1,043,844.95 × 425,342.69
  4. Step 4: Simplify right side
    756,382.58x = 443,991,811,629.98
  5. Step 5: Solve for x
    x = 443,991,811,629.98/756,382.58
  6. Step 6: Final answer
    x = 586,993.71

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1.5x scale

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.