Home / 1,276,222.76-1,761,164.81-695,451.02

Finding the Fourth Proportional to 1,276,222.76, 1,761,164.81 and 695,451.02

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Solution

The fourth proportional to 1,276,222.76, 1,761,164.81 and 695,451.02 is: 959,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,222.76 : 1,761,164.81 = 695,451.02 : x
  2. Step 2: Convert to fraction form
    1,276,222.76/1,761,164.81 = 695,451.02/x
  3. Step 3: Cross multiply
    1,276,222.76x = 1,761,164.81 × 695,451.02
  4. Step 4: Simplify right side
    1,276,222.76x = 1,224,803,856,435.41
  5. Step 5: Solve for x
    x = 1,224,803,856,435.41/1,276,222.76
  6. Step 6: Final answer
    x = 959,710.09

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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.