Home / 1,276,247.37-1,761,306.75-703,287.66

Finding the Fourth Proportional to 1,276,247.37, 1,761,306.75 and 703,287.66

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Solution

The fourth proportional to 1,276,247.37, 1,761,306.75 and 703,287.66 is: 970,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,247.37 : 1,761,306.75 = 703,287.66 : x
  2. Step 2: Convert to fraction form
    1,276,247.37/1,761,306.75 = 703,287.66/x
  3. Step 3: Cross multiply
    1,276,247.37x = 1,761,306.75 × 703,287.66
  4. Step 4: Simplify right side
    1,276,247.37x = 1,238,705,302,749.71
  5. Step 5: Solve for x
    x = 1,238,705,302,749.71/1,276,247.37
  6. Step 6: Final answer
    x = 970,584.02

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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.