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Finding the Fourth Proportional to 1,411,174.68, 1,947,579.90 and 799,369.08

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Solution

The fourth proportional to 1,411,174.68, 1,947,579.90 and 799,369.08 is: 1,103,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,174.68 : 1,947,579.90 = 799,369.08 : x
  2. Step 2: Convert to fraction form
    1,411,174.68/1,947,579.90 = 799,369.08/x
  3. Step 3: Cross multiply
    1,411,174.68x = 1,947,579.90 × 799,369.08
  4. Step 4: Simplify right side
    1,411,174.68x = 1,556,835,152,889.49
  5. Step 5: Solve for x
    x = 1,556,835,152,889.49/1,411,174.68
  6. Step 6: Final answer
    x = 1,103,219.31

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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.