Home / 808,111.44-1,115,408.67-477,257.22

Finding the Fourth Proportional to 808,111.44, 1,115,408.67 and 477,257.22

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Solution

The fourth proportional to 808,111.44, 1,115,408.67 and 477,257.22 is: 658,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,111.44 : 1,115,408.67 = 477,257.22 : x
  2. Step 2: Convert to fraction form
    808,111.44/1,115,408.67 = 477,257.22/x
  3. Step 3: Cross multiply
    808,111.44x = 1,115,408.67 × 477,257.22
  4. Step 4: Simplify right side
    808,111.44x = 532,336,841,008.10
  5. Step 5: Solve for x
    x = 532,336,841,008.10/808,111.44
  6. Step 6: Final answer
    x = 658,741.87

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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.