Home / 1,203,910.17-1,661,566.41-745,172.34

Finding the Fourth Proportional to 1,203,910.17, 1,661,566.41 and 745,172.34

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Solution

The fourth proportional to 1,203,910.17, 1,661,566.41 and 745,172.34 is: 1,028,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,910.17 : 1,661,566.41 = 745,172.34 : x
  2. Step 2: Convert to fraction form
    1,203,910.17/1,661,566.41 = 745,172.34/x
  3. Step 3: Cross multiply
    1,203,910.17x = 1,661,566.41 × 745,172.34
  4. Step 4: Simplify right side
    1,203,910.17x = 1,238,153,329,805.10
  5. Step 5: Solve for x
    x = 1,238,153,329,805.10/1,203,910.17
  6. Step 6: Final answer
    x = 1,028,443.28

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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.