Home / 1,525,754.74-2,288,631.66-1,189,047.26

Finding the Fourth Proportional to 1,525,754.74, 2,288,631.66 and 1,189,047.26

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Solution

The fourth proportional to 1,525,754.74, 2,288,631.66 and 1,189,047.26 is: 1,783,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,754.74 : 2,288,631.66 = 1,189,047.26 : x
  2. Step 2: Convert to fraction form
    1,525,754.74/2,288,631.66 = 1,189,047.26/x
  3. Step 3: Cross multiply
    1,525,754.74x = 2,288,631.66 × 1,189,047.26
  4. Step 4: Simplify right side
    1,525,754.74x = 2,721,291,204,472.25
  5. Step 5: Solve for x
    x = 2,721,291,204,472.25/1,525,754.74
  6. Step 6: Final answer
    x = 1,783,570.54

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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.