Home / 734,890.10-1,101,906.11-285,085.37

Finding the Fourth Proportional to 734,890.10, 1,101,906.11 and 285,085.37

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Solution

The fourth proportional to 734,890.10, 1,101,906.11 and 285,085.37 is: 427,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,890.10 : 1,101,906.11 = 285,085.37 : x
  2. Step 2: Convert to fraction form
    734,890.10/1,101,906.11 = 285,085.37/x
  3. Step 3: Cross multiply
    734,890.10x = 1,101,906.11 × 285,085.37
  4. Step 4: Simplify right side
    734,890.10x = 314,137,314,542.09
  5. Step 5: Solve for x
    x = 314,137,314,542.09/734,890.10
  6. Step 6: Final answer
    x = 427,461.63

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Half scale
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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.