Home / 639,284.30-882,232.94-363,635.04

Finding the Fourth Proportional to 639,284.30, 882,232.94 and 363,635.04

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Solution

The fourth proportional to 639,284.30, 882,232.94 and 363,635.04 is: 501,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,284.30 : 882,232.94 = 363,635.04 : x
  2. Step 2: Convert to fraction form
    639,284.30/882,232.94 = 363,635.04/x
  3. Step 3: Cross multiply
    639,284.30x = 882,232.94 × 363,635.04
  4. Step 4: Simplify right side
    639,284.30x = 320,810,810,426.22
  5. Step 5: Solve for x
    x = 320,810,810,426.22/639,284.30
  6. Step 6: Final answer
    x = 501,828.08

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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.