Home / 538,835.40-808,176.30-183,865.80

Finding the Fourth Proportional to 538,835.40, 808,176.30 and 183,865.80

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Solution

The fourth proportional to 538,835.40, 808,176.30 and 183,865.80 is: 275,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,835.40 : 808,176.30 = 183,865.80 : x
  2. Step 2: Convert to fraction form
    538,835.40/808,176.30 = 183,865.80/x
  3. Step 3: Cross multiply
    538,835.40x = 808,176.30 × 183,865.80
  4. Step 4: Simplify right side
    538,835.40x = 148,595,981,940.54
  5. Step 5: Solve for x
    x = 148,595,981,940.54/538,835.40
  6. Step 6: Final answer
    x = 275,772.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.