Home / 1,368,078.11-2,052,201.75-457,342.52

Finding the Fourth Proportional to 1,368,078.11, 2,052,201.75 and 457,342.52

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Solution

The fourth proportional to 1,368,078.11, 2,052,201.75 and 457,342.52 is: 686,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,078.11 : 2,052,201.75 = 457,342.52 : x
  2. Step 2: Convert to fraction form
    1,368,078.11/2,052,201.75 = 457,342.52/x
  3. Step 3: Cross multiply
    1,368,078.11x = 2,052,201.75 × 457,342.52
  4. Step 4: Simplify right side
    1,368,078.11x = 938,559,119,893.41
  5. Step 5: Solve for x
    x = 938,559,119,893.41/1,368,078.11
  6. Step 6: Final answer
    x = 686,042.06

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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.