Home / 823,009.41-1,136,141.26-619,137.95

Finding the Fourth Proportional to 823,009.41, 1,136,141.26 and 619,137.95

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Solution

The fourth proportional to 823,009.41, 1,136,141.26 and 619,137.95 is: 854,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,009.41 : 1,136,141.26 = 619,137.95 : x
  2. Step 2: Convert to fraction form
    823,009.41/1,136,141.26 = 619,137.95/x
  3. Step 3: Cross multiply
    823,009.41x = 1,136,141.26 × 619,137.95
  4. Step 4: Simplify right side
    823,009.41x = 703,428,174,725.78
  5. Step 5: Solve for x
    x = 703,428,174,725.78/823,009.41
  6. Step 6: Final answer
    x = 854,702.47

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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.