Home / 1,256,854.40-1,889,218.20-1,233,234.80

Finding the Fourth Proportional to 1,256,854.40, 1,889,218.20 and 1,233,234.80

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Solution

The fourth proportional to 1,256,854.40, 1,889,218.20 and 1,233,234.80 is: 1,853,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,854.40 : 1,889,218.20 = 1,233,234.80 : x
  2. Step 2: Convert to fraction form
    1,256,854.40/1,889,218.20 = 1,233,234.80/x
  3. Step 3: Cross multiply
    1,256,854.40x = 1,889,218.20 × 1,233,234.80
  4. Step 4: Simplify right side
    1,256,854.40x = 2,329,849,629,033.36
  5. Step 5: Solve for x
    x = 2,329,849,629,033.36/1,256,854.40
  6. Step 6: Final answer
    x = 1,853,714.82

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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.