Home / 1,276,069.28-1,761,099.70-953,218.87

Finding the Fourth Proportional to 1,276,069.28, 1,761,099.70 and 953,218.87

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Solution

The fourth proportional to 1,276,069.28, 1,761,099.70 and 953,218.87 is: 1,315,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,069.28 : 1,761,099.70 = 953,218.87 : x
  2. Step 2: Convert to fraction form
    1,276,069.28/1,761,099.70 = 953,218.87/x
  3. Step 3: Cross multiply
    1,276,069.28x = 1,761,099.70 × 953,218.87
  4. Step 4: Simplify right side
    1,276,069.28x = 1,678,713,458,311.90
  5. Step 5: Solve for x
    x = 1,678,713,458,311.90/1,276,069.28
  6. Step 6: Final answer
    x = 1,315,534.74

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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.