Home / 1,276,329.91-1,761,335.57-695,553.20

Finding the Fourth Proportional to 1,276,329.91, 1,761,335.57 and 695,553.20

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Solution

The fourth proportional to 1,276,329.91, 1,761,335.57 and 695,553.20 is: 959,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,329.91 : 1,761,335.57 = 695,553.20 : x
  2. Step 2: Convert to fraction form
    1,276,329.91/1,761,335.57 = 695,553.20/x
  3. Step 3: Cross multiply
    1,276,329.91x = 1,761,335.57 × 695,553.20
  4. Step 4: Simplify right side
    1,276,329.91x = 1,225,102,579,702.88
  5. Step 5: Solve for x
    x = 1,225,102,579,702.88/1,276,329.91
  6. Step 6: Final answer
    x = 959,863.57

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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.