Home / 692,644.14-1,038,956.46-219,329.34

Finding the Fourth Proportional to 692,644.14, 1,038,956.46 and 219,329.34

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Solution

The fourth proportional to 692,644.14, 1,038,956.46 and 219,329.34 is: 328,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,644.14 : 1,038,956.46 = 219,329.34 : x
  2. Step 2: Convert to fraction form
    692,644.14/1,038,956.46 = 219,329.34/x
  3. Step 3: Cross multiply
    692,644.14x = 1,038,956.46 × 219,329.34
  4. Step 4: Simplify right side
    692,644.14x = 227,873,634,660.54
  5. Step 5: Solve for x
    x = 227,873,634,660.54/692,644.14
  6. Step 6: Final answer
    x = 328,990.92

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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.