Home / 538,276.83-742,818.42-296,553.75

Finding the Fourth Proportional to 538,276.83, 742,818.42 and 296,553.75

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Solution

The fourth proportional to 538,276.83, 742,818.42 and 296,553.75 is: 409,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,276.83 : 742,818.42 = 296,553.75 : x
  2. Step 2: Convert to fraction form
    538,276.83/742,818.42 = 296,553.75/x
  3. Step 3: Cross multiply
    538,276.83x = 742,818.42 × 296,553.75
  4. Step 4: Simplify right side
    538,276.83x = 220,285,588,020.08
  5. Step 5: Solve for x
    x = 220,285,588,020.08/538,276.83
  6. Step 6: Final answer
    x = 409,242.19

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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.