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Finding the Fourth Proportional to 882,760.88, 1,219,439.76 and 849,988.64

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Solution

The fourth proportional to 882,760.88, 1,219,439.76 and 849,988.64 is: 1,174,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,760.88 : 1,219,439.76 = 849,988.64 : x
  2. Step 2: Convert to fraction form
    882,760.88/1,219,439.76 = 849,988.64/x
  3. Step 3: Cross multiply
    882,760.88x = 1,219,439.76 × 849,988.64
  4. Step 4: Simplify right side
    882,760.88x = 1,036,509,943,164.33
  5. Step 5: Solve for x
    x = 1,036,509,943,164.33/882,760.88
  6. Step 6: Final answer
    x = 1,174,168.41

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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.