Home / 917,754.36-1,266,536.55-627,973.36

Finding the Fourth Proportional to 917,754.36, 1,266,536.55 and 627,973.36

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Solution

The fourth proportional to 917,754.36, 1,266,536.55 and 627,973.36 is: 866,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,754.36 : 1,266,536.55 = 627,973.36 : x
  2. Step 2: Convert to fraction form
    917,754.36/1,266,536.55 = 627,973.36/x
  3. Step 3: Cross multiply
    917,754.36x = 1,266,536.55 × 627,973.36
  4. Step 4: Simplify right side
    917,754.36x = 795,351,212,866.31
  5. Step 5: Solve for x
    x = 795,351,212,866.31/917,754.36
  6. Step 6: Final answer
    x = 866,627.55

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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.