Home / 1,453,996.44-2,180,827.80-389,121.57

Finding the Fourth Proportional to 1,453,996.44, 2,180,827.80 and 389,121.57

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Solution

The fourth proportional to 1,453,996.44, 2,180,827.80 and 389,121.57 is: 583,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,996.44 : 2,180,827.80 = 389,121.57 : x
  2. Step 2: Convert to fraction form
    1,453,996.44/2,180,827.80 = 389,121.57/x
  3. Step 3: Cross multiply
    1,453,996.44x = 2,180,827.80 × 389,121.57
  4. Step 4: Simplify right side
    1,453,996.44x = 848,607,137,435.65
  5. Step 5: Solve for x
    x = 848,607,137,435.65/1,453,996.44
  6. Step 6: Final answer
    x = 583,637.70

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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.