Home / 1,289,692.80-1,934,539.20-403,228.80

Finding the Fourth Proportional to 1,289,692.80, 1,934,539.20 and 403,228.80

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Solution

The fourth proportional to 1,289,692.80, 1,934,539.20 and 403,228.80 is: 604,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,692.80 : 1,934,539.20 = 403,228.80 : x
  2. Step 2: Convert to fraction form
    1,289,692.80/1,934,539.20 = 403,228.80/x
  3. Step 3: Cross multiply
    1,289,692.80x = 1,934,539.20 × 403,228.80
  4. Step 4: Simplify right side
    1,289,692.80x = 780,061,920,168.96
  5. Step 5: Solve for x
    x = 780,061,920,168.96/1,289,692.80
  6. Step 6: Final answer
    x = 604,843.20

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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.