Home / 401,396.86-553,927.44-220,111.93

Finding the Fourth Proportional to 401,396.86, 553,927.44 and 220,111.93

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Solution

The fourth proportional to 401,396.86, 553,927.44 and 220,111.93 is: 303,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,396.86 : 553,927.44 = 220,111.93 : x
  2. Step 2: Convert to fraction form
    401,396.86/553,927.44 = 220,111.93/x
  3. Step 3: Cross multiply
    401,396.86x = 553,927.44 × 220,111.93
  4. Step 4: Simplify right side
    401,396.86x = 121,926,037,898.36
  5. Step 5: Solve for x
    x = 121,926,037,898.36/401,396.86
  6. Step 6: Final answer
    x = 303,754.34

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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.