Home / 1,683,669.22-2,323,514.43-919,771.96

Finding the Fourth Proportional to 1,683,669.22, 2,323,514.43 and 919,771.96

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Solution

The fourth proportional to 1,683,669.22, 2,323,514.43 and 919,771.96 is: 1,269,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,669.22 : 2,323,514.43 = 919,771.96 : x
  2. Step 2: Convert to fraction form
    1,683,669.22/2,323,514.43 = 919,771.96/x
  3. Step 3: Cross multiply
    1,683,669.22x = 2,323,514.43 × 919,771.96
  4. Step 4: Simplify right side
    1,683,669.22x = 2,137,103,421,369.38
  5. Step 5: Solve for x
    x = 2,137,103,421,369.38/1,683,669.22
  6. Step 6: Final answer
    x = 1,269,313.11

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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.