Home / 1,285,408.32-1,773,921.33-734,171.94

Finding the Fourth Proportional to 1,285,408.32, 1,773,921.33 and 734,171.94

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Solution

The fourth proportional to 1,285,408.32, 1,773,921.33 and 734,171.94 is: 1,013,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,408.32 : 1,773,921.33 = 734,171.94 : x
  2. Step 2: Convert to fraction form
    1,285,408.32/1,773,921.33 = 734,171.94/x
  3. Step 3: Cross multiply
    1,285,408.32x = 1,773,921.33 × 734,171.94
  4. Step 4: Simplify right side
    1,285,408.32x = 1,302,363,264,253.48
  5. Step 5: Solve for x
    x = 1,302,363,264,253.48/1,285,408.32
  6. Step 6: Final answer
    x = 1,013,190.32

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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.