Home / 823,476.12-1,136,137.95-460,842.36

Finding the Fourth Proportional to 823,476.12, 1,136,137.95 and 460,842.36

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Solution

The fourth proportional to 823,476.12, 1,136,137.95 and 460,842.36 is: 635,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,476.12 : 1,136,137.95 = 460,842.36 : x
  2. Step 2: Convert to fraction form
    823,476.12/1,136,137.95 = 460,842.36/x
  3. Step 3: Cross multiply
    823,476.12x = 1,136,137.95 × 460,842.36
  4. Step 4: Simplify right side
    823,476.12x = 523,580,494,163.56
  5. Step 5: Solve for x
    x = 523,580,494,163.56/823,476.12
  6. Step 6: Final answer
    x = 635,817.46

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1.5x scale

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.