Home / 389,847.76-538,036.59-236,910.94

Finding the Fourth Proportional to 389,847.76, 538,036.59 and 236,910.94

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Solution

The fourth proportional to 389,847.76, 538,036.59 and 236,910.94 is: 326,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,847.76 : 538,036.59 = 236,910.94 : x
  2. Step 2: Convert to fraction form
    389,847.76/538,036.59 = 236,910.94/x
  3. Step 3: Cross multiply
    389,847.76x = 538,036.59 × 236,910.94
  4. Step 4: Simplify right side
    389,847.76x = 127,466,754,291.30
  5. Step 5: Solve for x
    x = 127,466,754,291.30/389,847.76
  6. Step 6: Final answer
    x = 326,965.47

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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.