Home / 886,010.40-1,328,108.40-436,039.20

Finding the Fourth Proportional to 886,010.40, 1,328,108.40 and 436,039.20

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Solution

The fourth proportional to 886,010.40, 1,328,108.40 and 436,039.20 is: 653,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,010.40 : 1,328,108.40 = 436,039.20 : x
  2. Step 2: Convert to fraction form
    886,010.40/1,328,108.40 = 436,039.20/x
  3. Step 3: Cross multiply
    886,010.40x = 1,328,108.40 × 436,039.20
  4. Step 4: Simplify right side
    886,010.40x = 579,107,324,249.28
  5. Step 5: Solve for x
    x = 579,107,324,249.28/886,010.40
  6. Step 6: Final answer
    x = 653,612.33

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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.