Home / 846,290.97-1,260,640.58-800,453.28

Finding the Fourth Proportional to 846,290.97, 1,260,640.58 and 800,453.28

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Solution

The fourth proportional to 846,290.97, 1,260,640.58 and 800,453.28 is: 1,192,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,290.97 : 1,260,640.58 = 800,453.28 : x
  2. Step 2: Convert to fraction form
    846,290.97/1,260,640.58 = 800,453.28/x
  3. Step 3: Cross multiply
    846,290.97x = 1,260,640.58 × 800,453.28
  4. Step 4: Simplify right side
    846,290.97x = 1,009,083,887,162.10
  5. Step 5: Solve for x
    x = 1,009,083,887,162.10/846,290.97
  6. Step 6: Final answer
    x = 1,192,360.46

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.