Home / 1,453,633.67-2,180,278.79-388,758.26

Finding the Fourth Proportional to 1,453,633.67, 2,180,278.79 and 388,758.26

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Solution

The fourth proportional to 1,453,633.67, 2,180,278.79 and 388,758.26 is: 583,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,633.67 : 2,180,278.79 = 388,758.26 : x
  2. Step 2: Convert to fraction form
    1,453,633.67/2,180,278.79 = 388,758.26/x
  3. Step 3: Cross multiply
    1,453,633.67x = 2,180,278.79 × 388,758.26
  4. Step 4: Simplify right side
    1,453,633.67x = 847,601,393,680.06
  5. Step 5: Solve for x
    x = 847,601,393,680.06/1,453,633.67
  6. Step 6: Final answer
    x = 583,091.47

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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.