Home / 1,644,604.16-2,269,762.12-919,494.72

Finding the Fourth Proportional to 1,644,604.16, 2,269,762.12 and 919,494.72

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Solution

The fourth proportional to 1,644,604.16, 2,269,762.12 and 919,494.72 is: 1,269,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,604.16 : 2,269,762.12 = 919,494.72 : x
  2. Step 2: Convert to fraction form
    1,644,604.16/2,269,762.12 = 919,494.72/x
  3. Step 3: Cross multiply
    1,644,604.16x = 2,269,762.12 × 919,494.72
  4. Step 4: Simplify right side
    1,644,604.16x = 2,087,034,286,145.37
  5. Step 5: Solve for x
    x = 2,087,034,286,145.37/1,644,604.16
  6. Step 6: Final answer
    x = 1,269,019.22

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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.