Home / 1,269,560.80-1,751,935.28-696,586.72

Finding the Fourth Proportional to 1,269,560.80, 1,751,935.28 and 696,586.72

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Solution

The fourth proportional to 1,269,560.80, 1,751,935.28 and 696,586.72 is: 961,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,560.80 : 1,751,935.28 = 696,586.72 : x
  2. Step 2: Convert to fraction form
    1,269,560.80/1,751,935.28 = 696,586.72/x
  3. Step 3: Cross multiply
    1,269,560.80x = 1,751,935.28 × 696,586.72
  4. Step 4: Simplify right side
    1,269,560.80x = 1,220,374,850,347.48
  5. Step 5: Solve for x
    x = 1,220,374,850,347.48/1,269,560.80
  6. Step 6: Final answer
    x = 961,257.51

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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.