Home / 646,868.25-969,018.89-304,843.32

Finding the Fourth Proportional to 646,868.25, 969,018.89 and 304,843.32

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Solution

The fourth proportional to 646,868.25, 969,018.89 and 304,843.32 is: 456,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,868.25 : 969,018.89 = 304,843.32 : x
  2. Step 2: Convert to fraction form
    646,868.25/969,018.89 = 304,843.32/x
  3. Step 3: Cross multiply
    646,868.25x = 969,018.89 × 304,843.32
  4. Step 4: Simplify right side
    646,868.25x = 295,398,934,046.10
  5. Step 5: Solve for x
    x = 295,398,934,046.10/646,868.25
  6. Step 6: Final answer
    x = 456,660.12

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Double scale
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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.