Home / 692,883.76-1,039,354.56-219,558.64

Finding the Fourth Proportional to 692,883.76, 1,039,354.56 and 219,558.64

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Solution

The fourth proportional to 692,883.76, 1,039,354.56 and 219,558.64 is: 329,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,883.76 : 1,039,354.56 = 219,558.64 : x
  2. Step 2: Convert to fraction form
    692,883.76/1,039,354.56 = 219,558.64/x
  3. Step 3: Cross multiply
    692,883.76x = 1,039,354.56 × 219,558.64
  4. Step 4: Simplify right side
    692,883.76x = 228,199,273,671.40
  5. Step 5: Solve for x
    x = 228,199,273,671.40/692,883.76
  6. Step 6: Final answer
    x = 329,347.12

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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.