Home / 823,519.20-1,136,403.72-460,881.84

Finding the Fourth Proportional to 823,519.20, 1,136,403.72 and 460,881.84

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Solution

The fourth proportional to 823,519.20, 1,136,403.72 and 460,881.84 is: 635,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,519.20 : 1,136,403.72 = 460,881.84 : x
  2. Step 2: Convert to fraction form
    823,519.20/1,136,403.72 = 460,881.84/x
  3. Step 3: Cross multiply
    823,519.20x = 1,136,403.72 × 460,881.84
  4. Step 4: Simplify right side
    823,519.20x = 523,747,837,456.45
  5. Step 5: Solve for x
    x = 523,747,837,456.45/823,519.20
  6. Step 6: Final answer
    x = 635,987.40

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Double scale
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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.