Home / 864,627.75-1,193,196.09-477,442.64

Finding the Fourth Proportional to 864,627.75, 1,193,196.09 and 477,442.64

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Solution

The fourth proportional to 864,627.75, 1,193,196.09 and 477,442.64 is: 658,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,627.75 : 1,193,196.09 = 477,442.64 : x
  2. Step 2: Convert to fraction form
    864,627.75/1,193,196.09 = 477,442.64/x
  3. Step 3: Cross multiply
    864,627.75x = 1,193,196.09 × 477,442.64
  4. Step 4: Simplify right side
    864,627.75x = 569,682,696,020.68
  5. Step 5: Solve for x
    x = 569,682,696,020.68/864,627.75
  6. Step 6: Final answer
    x = 658,876.26

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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.