Home / 596,730.87-822,916.18-400,940.11

Finding the Fourth Proportional to 596,730.87, 822,916.18 and 400,940.11

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Solution

The fourth proportional to 596,730.87, 822,916.18 and 400,940.11 is: 552,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,730.87 : 822,916.18 = 400,940.11 : x
  2. Step 2: Convert to fraction form
    596,730.87/822,916.18 = 400,940.11/x
  3. Step 3: Cross multiply
    596,730.87x = 822,916.18 × 400,940.11
  4. Step 4: Simplify right side
    596,730.87x = 329,940,103,729.98
  5. Step 5: Solve for x
    x = 329,940,103,729.98/596,730.87
  6. Step 6: Final answer
    x = 552,912.75

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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.