Home / 401,916.66-603,166.58-323,971.98

Finding the Fourth Proportional to 401,916.66, 603,166.58 and 323,971.98

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Solution

The fourth proportional to 401,916.66, 603,166.58 and 323,971.98 is: 486,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,916.66 : 603,166.58 = 323,971.98 : x
  2. Step 2: Convert to fraction form
    401,916.66/603,166.58 = 323,971.98/x
  3. Step 3: Cross multiply
    401,916.66x = 603,166.58 × 323,971.98
  4. Step 4: Simplify right side
    401,916.66x = 195,409,071,192.43
  5. Step 5: Solve for x
    x = 195,409,071,192.43/401,916.66
  6. Step 6: Final answer
    x = 486,193.01

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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.