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Finding the Fourth Proportional to 1,182,960.48, 1,775,966.24 and 1,015,556.64

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Solution

The fourth proportional to 1,182,960.48, 1,775,966.24 and 1,015,556.64 is: 1,524,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,960.48 : 1,775,966.24 = 1,015,556.64 : x
  2. Step 2: Convert to fraction form
    1,182,960.48/1,775,966.24 = 1,015,556.64/x
  3. Step 3: Cross multiply
    1,182,960.48x = 1,775,966.24 × 1,015,556.64
  4. Step 4: Simplify right side
    1,182,960.48x = 1,803,594,307,447.83
  5. Step 5: Solve for x
    x = 1,803,594,307,447.83/1,182,960.48
  6. Step 6: Final answer
    x = 1,524,644.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.