Home / 938,325.60-1,294,896.06-508,608.72

Finding the Fourth Proportional to 938,325.60, 1,294,896.06 and 508,608.72

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Solution

The fourth proportional to 938,325.60, 1,294,896.06 and 508,608.72 is: 701,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,325.60 : 1,294,896.06 = 508,608.72 : x
  2. Step 2: Convert to fraction form
    938,325.60/1,294,896.06 = 508,608.72/x
  3. Step 3: Cross multiply
    938,325.60x = 1,294,896.06 × 508,608.72
  4. Step 4: Simplify right side
    938,325.60x = 658,595,427,609.64
  5. Step 5: Solve for x
    x = 658,595,427,609.64/938,325.60
  6. Step 6: Final answer
    x = 701,883.68

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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.