Home / 403,770.47-557,228.12-222,482.37

Finding the Fourth Proportional to 403,770.47, 557,228.12 and 222,482.37

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Solution

The fourth proportional to 403,770.47, 557,228.12 and 222,482.37 is: 307,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,770.47 : 557,228.12 = 222,482.37 : x
  2. Step 2: Convert to fraction form
    403,770.47/557,228.12 = 222,482.37/x
  3. Step 3: Cross multiply
    403,770.47x = 557,228.12 × 222,482.37
  4. Step 4: Simplify right side
    403,770.47x = 123,973,433,742.56
  5. Step 5: Solve for x
    x = 123,973,433,742.56/403,770.47
  6. Step 6: Final answer
    x = 307,039.38

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1.5x scale

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.