Home / 403,319.25-556,596.70-222,048.07

Finding the Fourth Proportional to 403,319.25, 556,596.70 and 222,048.07

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Solution

The fourth proportional to 403,319.25, 556,596.70 and 222,048.07 is: 306,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,319.25 : 556,596.70 = 222,048.07 : x
  2. Step 2: Convert to fraction form
    403,319.25/556,596.70 = 222,048.07/x
  3. Step 3: Cross multiply
    403,319.25x = 556,596.70 × 222,048.07
  4. Step 4: Simplify right side
    403,319.25x = 123,591,221,056.76
  5. Step 5: Solve for x
    x = 123,591,221,056.76/403,319.25
  6. Step 6: Final answer
    x = 306,435.21

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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.