Home / 1,276,187.14-1,914,317.84-477,316.27

Finding the Fourth Proportional to 1,276,187.14, 1,914,317.84 and 477,316.27

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Solution

The fourth proportional to 1,276,187.14, 1,914,317.84 and 477,316.27 is: 715,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,187.14 : 1,914,317.84 = 477,316.27 : x
  2. Step 2: Convert to fraction form
    1,276,187.14/1,914,317.84 = 477,316.27/x
  3. Step 3: Cross multiply
    1,276,187.14x = 1,914,317.84 × 477,316.27
  4. Step 4: Simplify right side
    1,276,187.14x = 913,735,050,983.26
  5. Step 5: Solve for x
    x = 913,735,050,983.26/1,276,187.14
  6. Step 6: Final answer
    x = 715,988.29

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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.