Home / 746,480.10-1,119,720.15-185,514.60

Finding the Fourth Proportional to 746,480.10, 1,119,720.15 and 185,514.60

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Solution

The fourth proportional to 746,480.10, 1,119,720.15 and 185,514.60 is: 278,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,480.10 : 1,119,720.15 = 185,514.60 : x
  2. Step 2: Convert to fraction form
    746,480.10/1,119,720.15 = 185,514.60/x
  3. Step 3: Cross multiply
    746,480.10x = 1,119,720.15 × 185,514.60
  4. Step 4: Simplify right side
    746,480.10x = 207,724,435,739.19
  5. Step 5: Solve for x
    x = 207,724,435,739.19/746,480.10
  6. Step 6: Final answer
    x = 278,271.90

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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.