Home / 917,755.23-1,266,537.77-627,974.24

Finding the Fourth Proportional to 917,755.23, 1,266,537.77 and 627,974.24

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Solution

The fourth proportional to 917,755.23, 1,266,537.77 and 627,974.24 is: 866,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,755.23 : 1,266,537.77 = 627,974.24 : x
  2. Step 2: Convert to fraction form
    917,755.23/1,266,537.77 = 627,974.24/x
  3. Step 3: Cross multiply
    917,755.23x = 1,266,537.77 × 627,974.24
  4. Step 4: Simplify right side
    917,755.23x = 795,353,084,074.49
  5. Step 5: Solve for x
    x = 795,353,084,074.49/917,755.23
  6. Step 6: Final answer
    x = 866,628.77

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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.