Home / 499,043.08-688,682.82-272,692.36

Finding the Fourth Proportional to 499,043.08, 688,682.82 and 272,692.36

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Solution

The fourth proportional to 499,043.08, 688,682.82 and 272,692.36 is: 376,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,043.08 : 688,682.82 = 272,692.36 : x
  2. Step 2: Convert to fraction form
    499,043.08/688,682.82 = 272,692.36/x
  3. Step 3: Cross multiply
    499,043.08x = 688,682.82 × 272,692.36
  4. Step 4: Simplify right side
    499,043.08x = 187,798,543,477.26
  5. Step 5: Solve for x
    x = 187,798,543,477.26/499,043.08
  6. Step 6: Final answer
    x = 376,317.30

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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.