Home / 1,279,532.68-1,765,755.66-706,611.76

Finding the Fourth Proportional to 1,279,532.68, 1,765,755.66 and 706,611.76

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Solution

The fourth proportional to 1,279,532.68, 1,765,755.66 and 706,611.76 is: 975,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,532.68 : 1,765,755.66 = 706,611.76 : x
  2. Step 2: Convert to fraction form
    1,279,532.68/1,765,755.66 = 706,611.76/x
  3. Step 3: Cross multiply
    1,279,532.68x = 1,765,755.66 × 706,611.76
  4. Step 4: Simplify right side
    1,279,532.68x = 1,247,703,714,642.56
  5. Step 5: Solve for x
    x = 1,247,703,714,642.56/1,279,532.68
  6. Step 6: Final answer
    x = 975,124.54

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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.