Home / 538,869.35-743,657.64-293,867.51

Finding the Fourth Proportional to 538,869.35, 743,657.64 and 293,867.51

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Solution

The fourth proportional to 538,869.35, 743,657.64 and 293,867.51 is: 405,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,869.35 : 743,657.64 = 293,867.51 : x
  2. Step 2: Convert to fraction form
    538,869.35/743,657.64 = 293,867.51/x
  3. Step 3: Cross multiply
    538,869.35x = 743,657.64 × 293,867.51
  4. Step 4: Simplify right side
    538,869.35x = 218,536,815,240.99
  5. Step 5: Solve for x
    x = 218,536,815,240.99/538,869.35
  6. Step 6: Final answer
    x = 405,546.94

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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.