Home / 1,276,672.11-1,761,754.49-695,882.45

Finding the Fourth Proportional to 1,276,672.11, 1,761,754.49 and 695,882.45

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Solution

The fourth proportional to 1,276,672.11, 1,761,754.49 and 695,882.45 is: 960,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,672.11 : 1,761,754.49 = 695,882.45 : x
  2. Step 2: Convert to fraction form
    1,276,672.11/1,761,754.49 = 695,882.45/x
  3. Step 3: Cross multiply
    1,276,672.11x = 1,761,754.49 × 695,882.45
  4. Step 4: Simplify right side
    1,276,672.11x = 1,225,974,034,334.23
  5. Step 5: Solve for x
    x = 1,225,974,034,334.23/1,276,672.11
  6. Step 6: Final answer
    x = 960,288.89

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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.