Home / 1,137,050.82-1,569,125.78-627,749.54

Finding the Fourth Proportional to 1,137,050.82, 1,569,125.78 and 627,749.54

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Solution

The fourth proportional to 1,137,050.82, 1,569,125.78 and 627,749.54 is: 866,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,050.82 : 1,569,125.78 = 627,749.54 : x
  2. Step 2: Convert to fraction form
    1,137,050.82/1,569,125.78 = 627,749.54/x
  3. Step 3: Cross multiply
    1,137,050.82x = 1,569,125.78 × 627,749.54
  4. Step 4: Simplify right side
    1,137,050.82x = 985,017,986,597.14
  5. Step 5: Solve for x
    x = 985,017,986,597.14/1,137,050.82
  6. Step 6: Final answer
    x = 866,291.96

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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.