Home / 1,098,194.80-1,646,514.60-424,015.60

Finding the Fourth Proportional to 1,098,194.80, 1,646,514.60 and 424,015.60

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Solution

The fourth proportional to 1,098,194.80, 1,646,514.60 and 424,015.60 is: 635,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,194.80 : 1,646,514.60 = 424,015.60 : x
  2. Step 2: Convert to fraction form
    1,098,194.80/1,646,514.60 = 424,015.60/x
  3. Step 3: Cross multiply
    1,098,194.80x = 1,646,514.60 × 424,015.60
  4. Step 4: Simplify right side
    1,098,194.80x = 698,147,876,027.76
  5. Step 5: Solve for x
    x = 698,147,876,027.76/1,098,194.80
  6. Step 6: Final answer
    x = 635,723.17

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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.