Home / 1,147,745.81-1,583,902.53-657,705.64

Finding the Fourth Proportional to 1,147,745.81, 1,583,902.53 and 657,705.64

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Solution

The fourth proportional to 1,147,745.81, 1,583,902.53 and 657,705.64 is: 907,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,745.81 : 1,583,902.53 = 657,705.64 : x
  2. Step 2: Convert to fraction form
    1,147,745.81/1,583,902.53 = 657,705.64/x
  3. Step 3: Cross multiply
    1,147,745.81x = 1,583,902.53 × 657,705.64
  4. Step 4: Simplify right side
    1,147,745.81x = 1,041,741,627,191.27
  5. Step 5: Solve for x
    x = 1,041,741,627,191.27/1,147,745.81
  6. Step 6: Final answer
    x = 907,641.41

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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.