Home / 862,156.44-1,189,812.60-480,183.24

Finding the Fourth Proportional to 862,156.44, 1,189,812.60 and 480,183.24

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Solution

The fourth proportional to 862,156.44, 1,189,812.60 and 480,183.24 is: 662,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,156.44 : 1,189,812.60 = 480,183.24 : x
  2. Step 2: Convert to fraction form
    862,156.44/1,189,812.60 = 480,183.24/x
  3. Step 3: Cross multiply
    862,156.44x = 1,189,812.60 × 480,183.24
  4. Step 4: Simplify right side
    862,156.44x = 571,328,069,260.82
  5. Step 5: Solve for x
    x = 571,328,069,260.82/862,156.44
  6. Step 6: Final answer
    x = 662,673.32

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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.