Home / 1,093,511.20-1,640,266.80-615,214.30

Finding the Fourth Proportional to 1,093,511.20, 1,640,266.80 and 615,214.30

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Solution

The fourth proportional to 1,093,511.20, 1,640,266.80 and 615,214.30 is: 922,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,511.20 : 1,640,266.80 = 615,214.30 : x
  2. Step 2: Convert to fraction form
    1,093,511.20/1,640,266.80 = 615,214.30/x
  3. Step 3: Cross multiply
    1,093,511.20x = 1,640,266.80 × 615,214.30
  4. Step 4: Simplify right side
    1,093,511.20x = 1,009,115,591,175.24
  5. Step 5: Solve for x
    x = 1,009,115,591,175.24/1,093,511.20
  6. Step 6: Final answer
    x = 922,821.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.