Home / 938,815.11-1,408,800.87-370,099.44

Finding the Fourth Proportional to 938,815.11, 1,408,800.87 and 370,099.44

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Solution

The fourth proportional to 938,815.11, 1,408,800.87 and 370,099.44 is: 555,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,815.11 : 1,408,800.87 = 370,099.44 : x
  2. Step 2: Convert to fraction form
    938,815.11/1,408,800.87 = 370,099.44/x
  3. Step 3: Cross multiply
    938,815.11x = 1,408,800.87 × 370,099.44
  4. Step 4: Simplify right side
    938,815.11x = 521,396,413,058.51
  5. Step 5: Solve for x
    x = 521,396,413,058.51/938,815.11
  6. Step 6: Final answer
    x = 555,377.10

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1.5x scale

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.