Home / 429,918.60-593,285.40-238,949.76

Finding the Fourth Proportional to 429,918.60, 593,285.40 and 238,949.76

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Solution

The fourth proportional to 429,918.60, 593,285.40 and 238,949.76 is: 329,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,918.60 : 593,285.40 = 238,949.76 : x
  2. Step 2: Convert to fraction form
    429,918.60/593,285.40 = 238,949.76/x
  3. Step 3: Cross multiply
    429,918.60x = 593,285.40 × 238,949.76
  4. Step 4: Simplify right side
    429,918.60x = 141,765,403,941.50
  5. Step 5: Solve for x
    x = 141,765,403,941.50/429,918.60
  6. Step 6: Final answer
    x = 329,749.41

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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.