Home / 746,609.70-1,119,914.55-185,644.20

Finding the Fourth Proportional to 746,609.70, 1,119,914.55 and 185,644.20

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Solution

The fourth proportional to 746,609.70, 1,119,914.55 and 185,644.20 is: 278,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,609.70 : 1,119,914.55 = 185,644.20 : x
  2. Step 2: Convert to fraction form
    746,609.70/1,119,914.55 = 185,644.20/x
  3. Step 3: Cross multiply
    746,609.70x = 1,119,914.55 × 185,644.20
  4. Step 4: Simplify right side
    746,609.70x = 207,905,640,703.11
  5. Step 5: Solve for x
    x = 207,905,640,703.11/746,609.70
  6. Step 6: Final answer
    x = 278,466.30

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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.