Home / 401,136.48-553,572.60-219,844.41

Finding the Fourth Proportional to 401,136.48, 553,572.60 and 219,844.41

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Solution

The fourth proportional to 401,136.48, 553,572.60 and 219,844.41 is: 303,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,136.48 : 553,572.60 = 219,844.41 : x
  2. Step 2: Convert to fraction form
    401,136.48/553,572.60 = 219,844.41/x
  3. Step 3: Cross multiply
    401,136.48x = 553,572.60 × 219,844.41
  4. Step 4: Simplify right side
    401,136.48x = 121,699,841,639.17
  5. Step 5: Solve for x
    x = 121,699,841,639.17/401,136.48
  6. Step 6: Final answer
    x = 303,387.62

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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.