Home / 1,252,407.83-1,728,323.43-679,447.85

Finding the Fourth Proportional to 1,252,407.83, 1,728,323.43 and 679,447.85

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Solution

The fourth proportional to 1,252,407.83, 1,728,323.43 and 679,447.85 is: 937,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,407.83 : 1,728,323.43 = 679,447.85 : x
  2. Step 2: Convert to fraction form
    1,252,407.83/1,728,323.43 = 679,447.85/x
  3. Step 3: Cross multiply
    1,252,407.83x = 1,728,323.43 × 679,447.85
  4. Step 4: Simplify right side
    1,252,407.83x = 1,174,305,626,579.27
  5. Step 5: Solve for x
    x = 1,174,305,626,579.27/1,252,407.83
  6. Step 6: Final answer
    x = 937,638.37

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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.