Home / 1,137,083.78-1,569,313.24-647,172.43

Finding the Fourth Proportional to 1,137,083.78, 1,569,313.24 and 647,172.43

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Solution

The fourth proportional to 1,137,083.78, 1,569,313.24 and 647,172.43 is: 893,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,083.78 : 1,569,313.24 = 647,172.43 : x
  2. Step 2: Convert to fraction form
    1,137,083.78/1,569,313.24 = 647,172.43/x
  3. Step 3: Cross multiply
    1,137,083.78x = 1,569,313.24 × 647,172.43
  4. Step 4: Simplify right side
    1,137,083.78x = 1,015,616,257,420.76
  5. Step 5: Solve for x
    x = 1,015,616,257,420.76/1,137,083.78
  6. Step 6: Final answer
    x = 893,176.28

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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.