Home / 624,640.08-862,010.19-338,166.30

Finding the Fourth Proportional to 624,640.08, 862,010.19 and 338,166.30

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Solution

The fourth proportional to 624,640.08, 862,010.19 and 338,166.30 is: 466,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,640.08 : 862,010.19 = 338,166.30 : x
  2. Step 2: Convert to fraction form
    624,640.08/862,010.19 = 338,166.30/x
  3. Step 3: Cross multiply
    624,640.08x = 862,010.19 × 338,166.30
  4. Step 4: Simplify right side
    624,640.08x = 291,502,796,514.60
  5. Step 5: Solve for x
    x = 291,502,796,514.60/624,640.08
  6. Step 6: Final answer
    x = 466,673.22

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.