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Finding the Fourth Proportional to 1,014,291, 1,399,765.32 and 561,582

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Solution

The fourth proportional to 1,014,291, 1,399,765.32 and 561,582 is: 775,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,291 : 1,399,765.32 = 561,582 : x
  2. Step 2: Convert to fraction form
    1,014,291/1,399,765.32 = 561,582/x
  3. Step 3: Cross multiply
    1,014,291x = 1,399,765.32 × 561,582
  4. Step 4: Simplify right side
    1,014,291x = 786,083,007,936.24
  5. Step 5: Solve for x
    x = 786,083,007,936.24/1,014,291
  6. Step 6: Final answer
    x = 775,007.38

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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.