Home / 917,756.85-1,266,540.14-627,975.94

Finding the Fourth Proportional to 917,756.85, 1,266,540.14 and 627,975.94

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Solution

The fourth proportional to 917,756.85, 1,266,540.14 and 627,975.94 is: 866,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,756.85 : 1,266,540.14 = 627,975.94 : x
  2. Step 2: Convert to fraction form
    917,756.85/1,266,540.14 = 627,975.94/x
  3. Step 3: Cross multiply
    917,756.85x = 1,266,540.14 × 627,975.94
  4. Step 4: Simplify right side
    917,756.85x = 795,356,735,742.58
  5. Step 5: Solve for x
    x = 795,356,735,742.58/917,756.85
  6. Step 6: Final answer
    x = 866,631.21

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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.