Home / 1,006,749.73-1,389,314.80-554,040.73

Finding the Fourth Proportional to 1,006,749.73, 1,389,314.80 and 554,040.73

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Solution

The fourth proportional to 1,006,749.73, 1,389,314.80 and 554,040.73 is: 764,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,749.73 : 1,389,314.80 = 554,040.73 : x
  2. Step 2: Convert to fraction form
    1,006,749.73/1,389,314.80 = 554,040.73/x
  3. Step 3: Cross multiply
    1,006,749.73x = 1,389,314.80 × 554,040.73
  4. Step 4: Simplify right side
    1,006,749.73x = 769,736,985,991.80
  5. Step 5: Solve for x
    x = 769,736,985,991.80/1,006,749.73
  6. Step 6: Final answer
    x = 764,576.30

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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.