Home / 917,677.58-1,266,430.97-627,896.93

Finding the Fourth Proportional to 917,677.58, 1,266,430.97 and 627,896.93

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Solution

The fourth proportional to 917,677.58, 1,266,430.97 and 627,896.93 is: 866,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,677.58 : 1,266,430.97 = 627,896.93 : x
  2. Step 2: Convert to fraction form
    917,677.58/1,266,430.97 = 627,896.93/x
  3. Step 3: Cross multiply
    917,677.58x = 1,266,430.97 × 627,896.93
  4. Step 4: Simplify right side
    917,677.58x = 795,188,116,949.26
  5. Step 5: Solve for x
    x = 795,188,116,949.26/917,677.58
  6. Step 6: Final answer
    x = 866,522.34

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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.