Home / 1,295,640.40-1,941,633.74-611,797.64

Finding the Fourth Proportional to 1,295,640.40, 1,941,633.74 and 611,797.64

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Solution

The fourth proportional to 1,295,640.40, 1,941,633.74 and 611,797.64 is: 916,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,640.40 : 1,941,633.74 = 611,797.64 : x
  2. Step 2: Convert to fraction form
    1,295,640.40/1,941,633.74 = 611,797.64/x
  3. Step 3: Cross multiply
    1,295,640.40x = 1,941,633.74 × 611,797.64
  4. Step 4: Simplify right side
    1,295,640.40x = 1,187,886,939,876.37
  5. Step 5: Solve for x
    x = 1,187,886,939,876.37/1,295,640.40
  6. Step 6: Final answer
    x = 916,833.82

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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.