Home / 627,328.05-940,463.08-272,074.50

Finding the Fourth Proportional to 627,328.05, 940,463.08 and 272,074.50

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Solution

The fourth proportional to 627,328.05, 940,463.08 and 272,074.50 is: 407,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,328.05 : 940,463.08 = 272,074.50 : x
  2. Step 2: Convert to fraction form
    627,328.05/940,463.08 = 272,074.50/x
  3. Step 3: Cross multiply
    627,328.05x = 940,463.08 × 272,074.50
  4. Step 4: Simplify right side
    627,328.05x = 255,876,022,259.46
  5. Step 5: Solve for x
    x = 255,876,022,259.46/627,328.05
  6. Step 6: Final answer
    x = 407,882.32

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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.