Home / 627,938.36-866,528.57-356,024.55

Finding the Fourth Proportional to 627,938.36, 866,528.57 and 356,024.55

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Solution

The fourth proportional to 627,938.36, 866,528.57 and 356,024.55 is: 491,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,938.36 : 866,528.57 = 356,024.55 : x
  2. Step 2: Convert to fraction form
    627,938.36/866,528.57 = 356,024.55/x
  3. Step 3: Cross multiply
    627,938.36x = 866,528.57 × 356,024.55
  4. Step 4: Simplify right side
    627,938.36x = 308,505,444,196.39
  5. Step 5: Solve for x
    x = 308,505,444,196.39/627,938.36
  6. Step 6: Final answer
    x = 491,298.93

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1.5x scale

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.