Home / 938,191.74-1,294,709.06-508,471.76

Finding the Fourth Proportional to 938,191.74, 1,294,709.06 and 508,471.76

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Solution

The fourth proportional to 938,191.74, 1,294,709.06 and 508,471.76 is: 701,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,191.74 : 1,294,709.06 = 508,471.76 : x
  2. Step 2: Convert to fraction form
    938,191.74/1,294,709.06 = 508,471.76/x
  3. Step 3: Cross multiply
    938,191.74x = 1,294,709.06 × 508,471.76
  4. Step 4: Simplify right side
    938,191.74x = 658,322,994,426.15
  5. Step 5: Solve for x
    x = 658,322,994,426.15/938,191.74
  6. Step 6: Final answer
    x = 701,693.45

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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.