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Finding the Fourth Proportional to 1,014,285, 1,399,757.04 and 561,576

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Solution

The fourth proportional to 1,014,285, 1,399,757.04 and 561,576 is: 774,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,285 : 1,399,757.04 = 561,576 : x
  2. Step 2: Convert to fraction form
    1,014,285/1,399,757.04 = 561,576/x
  3. Step 3: Cross multiply
    1,014,285x = 1,399,757.04 × 561,576
  4. Step 4: Simplify right side
    1,014,285x = 786,069,959,495.04
  5. Step 5: Solve for x
    x = 786,069,959,495.04/1,014,285
  6. Step 6: Final answer
    x = 774,999.10

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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.