Home / 1,644,734.10-2,269,780.20-919,583.67

Finding the Fourth Proportional to 1,644,734.10, 2,269,780.20 and 919,583.67

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Solution

The fourth proportional to 1,644,734.10, 2,269,780.20 and 919,583.67 is: 1,269,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,734.10 : 2,269,780.20 = 919,583.67 : x
  2. Step 2: Convert to fraction form
    1,644,734.10/2,269,780.20 = 919,583.67/x
  3. Step 3: Cross multiply
    1,644,734.10x = 2,269,780.20 × 919,583.67
  4. Step 4: Simplify right side
    1,644,734.10x = 2,087,252,806,409.33
  5. Step 5: Solve for x
    x = 2,087,252,806,409.33/1,644,734.10
  6. Step 6: Final answer
    x = 1,269,051.82

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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.