Home / 1,276,264.80-1,761,222.61-695,492.98

Finding the Fourth Proportional to 1,276,264.80, 1,761,222.61 and 695,492.98

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Solution

The fourth proportional to 1,276,264.80, 1,761,222.61 and 695,492.98 is: 959,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,264.80 : 1,761,222.61 = 695,492.98 : x
  2. Step 2: Convert to fraction form
    1,276,264.80/1,761,222.61 = 695,492.98/x
  3. Step 3: Cross multiply
    1,276,264.80x = 1,761,222.61 × 695,492.98
  4. Step 4: Simplify right side
    1,276,264.80x = 1,224,917,961,472.28
  5. Step 5: Solve for x
    x = 1,224,917,961,472.28/1,276,264.80
  6. Step 6: Final answer
    x = 959,767.88

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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.