Home / 1,424,098.08-2,136,144.96-426,826.08

Finding the Fourth Proportional to 1,424,098.08, 2,136,144.96 and 426,826.08

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Solution

The fourth proportional to 1,424,098.08, 2,136,144.96 and 426,826.08 is: 640,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,098.08 : 2,136,144.96 = 426,826.08 : x
  2. Step 2: Convert to fraction form
    1,424,098.08/2,136,144.96 = 426,826.08/x
  3. Step 3: Cross multiply
    1,424,098.08x = 2,136,144.96 × 426,826.08
  4. Step 4: Simplify right side
    1,424,098.08x = 911,762,379,588.56
  5. Step 5: Solve for x
    x = 911,762,379,588.56/1,424,098.08
  6. Step 6: Final answer
    x = 640,238.47

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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.