Home / 919,511.33-1,379,211.44-343,023.59

Finding the Fourth Proportional to 919,511.33, 1,379,211.44 and 343,023.59

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Solution

The fourth proportional to 919,511.33, 1,379,211.44 and 343,023.59 is: 514,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,511.33 : 1,379,211.44 = 343,023.59 : x
  2. Step 2: Convert to fraction form
    919,511.33/1,379,211.44 = 343,023.59/x
  3. Step 3: Cross multiply
    919,511.33x = 1,379,211.44 × 343,023.59
  4. Step 4: Simplify right side
    919,511.33x = 473,102,061,250.78
  5. Step 5: Solve for x
    x = 473,102,061,250.78/919,511.33
  6. Step 6: Final answer
    x = 514,514.66

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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.