Home / 938,171.35-1,294,641.79-508,442.25

Finding the Fourth Proportional to 938,171.35, 1,294,641.79 and 508,442.25

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Solution

The fourth proportional to 938,171.35, 1,294,641.79 and 508,442.25 is: 701,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,171.35 : 1,294,641.79 = 508,442.25 : x
  2. Step 2: Convert to fraction form
    938,171.35/1,294,641.79 = 508,442.25/x
  3. Step 3: Cross multiply
    938,171.35x = 1,294,641.79 × 508,442.25
  4. Step 4: Simplify right side
    938,171.35x = 658,250,584,651.63
  5. Step 5: Solve for x
    x = 658,250,584,651.63/938,171.35
  6. Step 6: Final answer
    x = 701,631.51

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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.