Home / 1,276,186.14-1,914,316.34-477,315.27

Finding the Fourth Proportional to 1,276,186.14, 1,914,316.34 and 477,315.27

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Solution

The fourth proportional to 1,276,186.14, 1,914,316.34 and 477,315.27 is: 715,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,186.14 : 1,914,316.34 = 477,315.27 : x
  2. Step 2: Convert to fraction form
    1,276,186.14/1,914,316.34 = 477,315.27/x
  3. Step 3: Cross multiply
    1,276,186.14x = 1,914,316.34 × 477,315.27
  4. Step 4: Simplify right side
    1,276,186.14x = 913,732,418,305.94
  5. Step 5: Solve for x
    x = 913,732,418,305.94/1,276,186.14
  6. Step 6: Final answer
    x = 715,986.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.