Home / 823,934.40-1,235,901.60-262,987.20

Finding the Fourth Proportional to 823,934.40, 1,235,901.60 and 262,987.20

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Solution

The fourth proportional to 823,934.40, 1,235,901.60 and 262,987.20 is: 394,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,934.40 : 1,235,901.60 = 262,987.20 : x
  2. Step 2: Convert to fraction form
    823,934.40/1,235,901.60 = 262,987.20/x
  3. Step 3: Cross multiply
    823,934.40x = 1,235,901.60 × 262,987.20
  4. Step 4: Simplify right side
    823,934.40x = 325,026,301,259.52
  5. Step 5: Solve for x
    x = 325,026,301,259.52/823,934.40
  6. Step 6: Final answer
    x = 394,480.80

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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.