Home / 1,182,692.01-1,632,115.63-638,827.80

Finding the Fourth Proportional to 1,182,692.01, 1,632,115.63 and 638,827.80

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Solution

The fourth proportional to 1,182,692.01, 1,632,115.63 and 638,827.80 is: 881,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,692.01 : 1,632,115.63 = 638,827.80 : x
  2. Step 2: Convert to fraction form
    1,182,692.01/1,632,115.63 = 638,827.80/x
  3. Step 3: Cross multiply
    1,182,692.01x = 1,632,115.63 × 638,827.80
  4. Step 4: Simplify right side
    1,182,692.01x = 1,042,640,831,936.62
  5. Step 5: Solve for x
    x = 1,042,640,831,936.62/1,182,692.01
  6. Step 6: Final answer
    x = 881,582.71

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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.