Home / 1,678,850.11-2,316,745.69-914,887.27

Finding the Fourth Proportional to 1,678,850.11, 2,316,745.69 and 914,887.27

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Solution

The fourth proportional to 1,678,850.11, 2,316,745.69 and 914,887.27 is: 1,262,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,850.11 : 2,316,745.69 = 914,887.27 : x
  2. Step 2: Convert to fraction form
    1,678,850.11/2,316,745.69 = 914,887.27/x
  3. Step 3: Cross multiply
    1,678,850.11x = 2,316,745.69 × 914,887.27
  4. Step 4: Simplify right side
    1,678,850.11x = 2,119,561,139,608.37
  5. Step 5: Solve for x
    x = 2,119,561,139,608.37/1,678,850.11
  6. Step 6: Final answer
    x = 1,262,507.67

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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.