Home / 1,247,840.36-1,722,098.43-703,777.64

Finding the Fourth Proportional to 1,247,840.36, 1,722,098.43 and 703,777.64

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Solution

The fourth proportional to 1,247,840.36, 1,722,098.43 and 703,777.64 is: 971,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,840.36 : 1,722,098.43 = 703,777.64 : x
  2. Step 2: Convert to fraction form
    1,247,840.36/1,722,098.43 = 703,777.64/x
  3. Step 3: Cross multiply
    1,247,840.36x = 1,722,098.43 × 703,777.64
  4. Step 4: Simplify right side
    1,247,840.36x = 1,211,974,360,302.61
  5. Step 5: Solve for x
    x = 1,211,974,360,302.61/1,247,840.36
  6. Step 6: Final answer
    x = 971,257.55

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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.