Home / 938,338.54-1,294,909.38-508,616.73

Finding the Fourth Proportional to 938,338.54, 1,294,909.38 and 508,616.73

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Solution

The fourth proportional to 938,338.54, 1,294,909.38 and 508,616.73 is: 701,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,338.54 : 1,294,909.38 = 508,616.73 : x
  2. Step 2: Convert to fraction form
    938,338.54/1,294,909.38 = 508,616.73/x
  3. Step 3: Cross multiply
    938,338.54x = 1,294,909.38 × 508,616.73
  4. Step 4: Simplify right side
    938,338.54x = 658,612,574,501.93
  5. Step 5: Solve for x
    x = 658,612,574,501.93/938,338.54
  6. Step 6: Final answer
    x = 701,892.28

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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.