Home / 917,729.99-1,266,503.12-627,949.10

Finding the Fourth Proportional to 917,729.99, 1,266,503.12 and 627,949.10

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Solution

The fourth proportional to 917,729.99, 1,266,503.12 and 627,949.10 is: 866,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,729.99 : 1,266,503.12 = 627,949.10 : x
  2. Step 2: Convert to fraction form
    917,729.99/1,266,503.12 = 627,949.10/x
  3. Step 3: Cross multiply
    917,729.99x = 1,266,503.12 × 627,949.10
  4. Step 4: Simplify right side
    917,729.99x = 795,299,494,377.70
  5. Step 5: Solve for x
    x = 795,299,494,377.70/917,729.99
  6. Step 6: Final answer
    x = 866,594.21

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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.