Home / 909,213.30-1,363,692.51-482,561.46

Finding the Fourth Proportional to 909,213.30, 1,363,692.51 and 482,561.46

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Solution

The fourth proportional to 909,213.30, 1,363,692.51 and 482,561.46 is: 723,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,213.30 : 1,363,692.51 = 482,561.46 : x
  2. Step 2: Convert to fraction form
    909,213.30/1,363,692.51 = 482,561.46/x
  3. Step 3: Cross multiply
    909,213.30x = 1,363,692.51 × 482,561.46
  4. Step 4: Simplify right side
    909,213.30x = 658,065,448,616.67
  5. Step 5: Solve for x
    x = 658,065,448,616.67/909,213.30
  6. Step 6: Final answer
    x = 723,774.55

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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.