Home / 896,172.33-1,236,668.94-508,978.17

Finding the Fourth Proportional to 896,172.33, 1,236,668.94 and 508,978.17

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Solution

The fourth proportional to 896,172.33, 1,236,668.94 and 508,978.17 is: 702,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,172.33 : 1,236,668.94 = 508,978.17 : x
  2. Step 2: Convert to fraction form
    896,172.33/1,236,668.94 = 508,978.17/x
  3. Step 3: Cross multiply
    896,172.33x = 1,236,668.94 × 508,978.17
  4. Step 4: Simplify right side
    896,172.33x = 629,437,493,977.04
  5. Step 5: Solve for x
    x = 629,437,493,977.04/896,172.33
  6. Step 6: Final answer
    x = 702,362.12

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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.