Home / 1,683,669.34-2,323,514.78-919,772.11

Finding the Fourth Proportional to 1,683,669.34, 2,323,514.78 and 919,772.11

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Solution

The fourth proportional to 1,683,669.34, 2,323,514.78 and 919,772.11 is: 1,269,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,669.34 : 2,323,514.78 = 919,772.11 : x
  2. Step 2: Convert to fraction form
    1,683,669.34/2,323,514.78 = 919,772.11/x
  3. Step 3: Cross multiply
    1,683,669.34x = 2,323,514.78 × 919,772.11
  4. Step 4: Simplify right side
    1,683,669.34x = 2,137,104,091,816.79
  5. Step 5: Solve for x
    x = 2,137,104,091,816.79/1,683,669.34
  6. Step 6: Final answer
    x = 1,269,313.42

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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.