Home / 2,912,570.56-4,368,852.06-782,654.73

Finding the Fourth Proportional to 2,912,570.56, 4,368,852.06 and 782,654.73

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Solution

The fourth proportional to 2,912,570.56, 4,368,852.06 and 782,654.73 is: 1,173,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,570.56 : 4,368,852.06 = 782,654.73 : x
  2. Step 2: Convert to fraction form
    2,912,570.56/4,368,852.06 = 782,654.73/x
  3. Step 3: Cross multiply
    2,912,570.56x = 4,368,852.06 × 782,654.73
  4. Step 4: Simplify right side
    2,912,570.56x = 3,419,302,729,429.24
  5. Step 5: Solve for x
    x = 3,419,302,729,429.24/2,912,570.56
  6. Step 6: Final answer
    x = 1,173,981.08

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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.