Home / 1,453,692.15-2,180,648.95-442,900.39

Finding the Fourth Proportional to 1,453,692.15, 2,180,648.95 and 442,900.39

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Solution

The fourth proportional to 1,453,692.15, 2,180,648.95 and 442,900.39 is: 664,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,692.15 : 2,180,648.95 = 442,900.39 : x
  2. Step 2: Convert to fraction form
    1,453,692.15/2,180,648.95 = 442,900.39/x
  3. Step 3: Cross multiply
    1,453,692.15x = 2,180,648.95 × 442,900.39
  4. Step 4: Simplify right side
    1,453,692.15x = 965,810,270,408.09
  5. Step 5: Solve for x
    x = 965,810,270,408.09/1,453,692.15
  6. Step 6: Final answer
    x = 664,384.32

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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.