Home / 403,429.14-556,736.35-222,157.93

Finding the Fourth Proportional to 403,429.14, 556,736.35 and 222,157.93

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Solution

The fourth proportional to 403,429.14, 556,736.35 and 222,157.93 is: 306,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,429.14 : 556,736.35 = 222,157.93 : x
  2. Step 2: Convert to fraction form
    403,429.14/556,736.35 = 222,157.93/x
  3. Step 3: Cross multiply
    403,429.14x = 556,736.35 × 222,157.93
  4. Step 4: Simplify right side
    403,429.14x = 123,683,395,071.76
  5. Step 5: Solve for x
    x = 123,683,395,071.76/403,429.14
  6. Step 6: Final answer
    x = 306,580.22

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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.