Home / 447,637.68-670,557.12-222,316.56

Finding the Fourth Proportional to 447,637.68, 670,557.12 and 222,316.56

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Solution

The fourth proportional to 447,637.68, 670,557.12 and 222,316.56 is: 333,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,637.68 : 670,557.12 = 222,316.56 : x
  2. Step 2: Convert to fraction form
    447,637.68/670,557.12 = 222,316.56/x
  3. Step 3: Cross multiply
    447,637.68x = 670,557.12 × 222,316.56
  4. Step 4: Simplify right side
    447,637.68x = 149,075,952,201.91
  5. Step 5: Solve for x
    x = 149,075,952,201.91/447,637.68
  6. Step 6: Final answer
    x = 333,028.16

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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.