Home / 823,649.40-1,236,273.07-397,485.16

Finding the Fourth Proportional to 823,649.40, 1,236,273.07 and 397,485.16

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Solution

The fourth proportional to 823,649.40, 1,236,273.07 and 397,485.16 is: 596,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,649.40 : 1,236,273.07 = 397,485.16 : x
  2. Step 2: Convert to fraction form
    823,649.40/1,236,273.07 = 397,485.16/x
  3. Step 3: Cross multiply
    823,649.40x = 1,236,273.07 × 397,485.16
  4. Step 4: Simplify right side
    823,649.40x = 491,400,199,032.64
  5. Step 5: Solve for x
    x = 491,400,199,032.64/823,649.40
  6. Step 6: Final answer
    x = 596,613.32

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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.