Home / 1,276,079.17-1,761,113.37-953,228.80

Finding the Fourth Proportional to 1,276,079.17, 1,761,113.37 and 953,228.80

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Solution

The fourth proportional to 1,276,079.17, 1,761,113.37 and 953,228.80 is: 1,315,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,079.17 : 1,761,113.37 = 953,228.80 : x
  2. Step 2: Convert to fraction form
    1,276,079.17/1,761,113.37 = 953,228.80/x
  3. Step 3: Cross multiply
    1,276,079.17x = 1,761,113.37 × 953,228.80
  4. Step 4: Simplify right side
    1,276,079.17x = 1,678,743,984,349.06
  5. Step 5: Solve for x
    x = 1,678,743,984,349.06/1,276,079.17
  6. Step 6: Final answer
    x = 1,315,548.46

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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.