Home / 1,259,772.40-1,889,104.52-460,846.72

Finding the Fourth Proportional to 1,259,772.40, 1,889,104.52 and 460,846.72

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Solution

The fourth proportional to 1,259,772.40, 1,889,104.52 and 460,846.72 is: 691,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,772.40 : 1,889,104.52 = 460,846.72 : x
  2. Step 2: Convert to fraction form
    1,259,772.40/1,889,104.52 = 460,846.72/x
  3. Step 3: Cross multiply
    1,259,772.40x = 1,889,104.52 × 460,846.72
  4. Step 4: Simplify right side
    1,259,772.40x = 870,587,621,779.17
  5. Step 5: Solve for x
    x = 870,587,621,779.17/1,259,772.40
  6. Step 6: Final answer
    x = 691,067.39

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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.