Home / 554,898.43-831,848.01-199,662.63

Finding the Fourth Proportional to 554,898.43, 831,848.01 and 199,662.63

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Solution

The fourth proportional to 554,898.43, 831,848.01 and 199,662.63 is: 299,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,898.43 : 831,848.01 = 199,662.63 : x
  2. Step 2: Convert to fraction form
    554,898.43/831,848.01 = 199,662.63/x
  3. Step 3: Cross multiply
    554,898.43x = 831,848.01 × 199,662.63
  4. Step 4: Simplify right side
    554,898.43x = 166,088,961,436.87
  5. Step 5: Solve for x
    x = 166,088,961,436.87/554,898.43
  6. Step 6: Final answer
    x = 299,314.17

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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.