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Finding the Fourth Proportional to 1,300,762.41, 1,795,006.35 and 719,986.68

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Solution

The fourth proportional to 1,300,762.41, 1,795,006.35 and 719,986.68 is: 993,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,762.41 : 1,795,006.35 = 719,986.68 : x
  2. Step 2: Convert to fraction form
    1,300,762.41/1,795,006.35 = 719,986.68/x
  3. Step 3: Cross multiply
    1,300,762.41x = 1,795,006.35 × 719,986.68
  4. Step 4: Simplify right side
    1,300,762.41x = 1,292,380,662,515.42
  5. Step 5: Solve for x
    x = 1,292,380,662,515.42/1,300,762.41
  6. Step 6: Final answer
    x = 993,556.28

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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.