Home / 828,317.43-1,143,172.17-460,830.96

Finding the Fourth Proportional to 828,317.43, 1,143,172.17 and 460,830.96

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Solution

The fourth proportional to 828,317.43, 1,143,172.17 and 460,830.96 is: 635,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,317.43 : 1,143,172.17 = 460,830.96 : x
  2. Step 2: Convert to fraction form
    828,317.43/1,143,172.17 = 460,830.96/x
  3. Step 3: Cross multiply
    828,317.43x = 1,143,172.17 × 460,830.96
  4. Step 4: Simplify right side
    828,317.43x = 526,809,128,546.38
  5. Step 5: Solve for x
    x = 526,809,128,546.38/828,317.43
  6. Step 6: Final answer
    x = 635,999.09

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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.