Home / 554,391.02-831,579.24-133,663.52

Finding the Fourth Proportional to 554,391.02, 831,579.24 and 133,663.52

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Solution

The fourth proportional to 554,391.02, 831,579.24 and 133,663.52 is: 200,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,391.02 : 831,579.24 = 133,663.52 : x
  2. Step 2: Convert to fraction form
    554,391.02/831,579.24 = 133,663.52/x
  3. Step 3: Cross multiply
    554,391.02x = 831,579.24 × 133,663.52
  4. Step 4: Simplify right side
    554,391.02x = 111,151,808,377.33
  5. Step 5: Solve for x
    x = 111,151,808,377.33/554,391.02
  6. Step 6: Final answer
    x = 200,493.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.