Home / 627,236.19-865,592.02-340,758.33

Finding the Fourth Proportional to 627,236.19, 865,592.02 and 340,758.33

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Solution

The fourth proportional to 627,236.19, 865,592.02 and 340,758.33 is: 470,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,236.19 : 865,592.02 = 340,758.33 : x
  2. Step 2: Convert to fraction form
    627,236.19/865,592.02 = 340,758.33/x
  3. Step 3: Cross multiply
    627,236.19x = 865,592.02 × 340,758.33
  4. Step 4: Simplify right side
    627,236.19x = 294,957,691,196.53
  5. Step 5: Solve for x
    x = 294,957,691,196.53/627,236.19
  6. Step 6: Final answer
    x = 470,249.80

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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.