Home / 1,276,366.92-1,761,377.52-703,407.56

Finding the Fourth Proportional to 1,276,366.92, 1,761,377.52 and 703,407.56

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Solution

The fourth proportional to 1,276,366.92, 1,761,377.52 and 703,407.56 is: 970,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,366.92 : 1,761,377.52 = 703,407.56 : x
  2. Step 2: Convert to fraction form
    1,276,366.92/1,761,377.52 = 703,407.56/x
  3. Step 3: Cross multiply
    1,276,366.92x = 1,761,377.52 × 703,407.56
  4. Step 4: Simplify right side
    1,276,366.92x = 1,238,966,263,582.05
  5. Step 5: Solve for x
    x = 1,238,966,263,582.05/1,276,366.92
  6. Step 6: Final answer
    x = 970,697.57

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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.