Home / 538,786.71-743,530.68-297,077.94

Finding the Fourth Proportional to 538,786.71, 743,530.68 and 297,077.94

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Solution

The fourth proportional to 538,786.71, 743,530.68 and 297,077.94 is: 409,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,786.71 : 743,530.68 = 297,077.94 : x
  2. Step 2: Convert to fraction form
    538,786.71/743,530.68 = 297,077.94/x
  3. Step 3: Cross multiply
    538,786.71x = 743,530.68 × 297,077.94
  4. Step 4: Simplify right side
    538,786.71x = 220,886,562,741.20
  5. Step 5: Solve for x
    x = 220,886,562,741.20/538,786.71
  6. Step 6: Final answer
    x = 409,970.33

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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.