Home / 995,813.58-1,493,721.30-426,825.45

Finding the Fourth Proportional to 995,813.58, 1,493,721.30 and 426,825.45

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Solution

The fourth proportional to 995,813.58, 1,493,721.30 and 426,825.45 is: 640,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,813.58 : 1,493,721.30 = 426,825.45 : x
  2. Step 2: Convert to fraction form
    995,813.58/1,493,721.30 = 426,825.45/x
  3. Step 3: Cross multiply
    995,813.58x = 1,493,721.30 × 426,825.45
  4. Step 4: Simplify right side
    995,813.58x = 637,558,266,047.09
  5. Step 5: Solve for x
    x = 637,558,266,047.09/995,813.58
  6. Step 6: Final answer
    x = 640,238.57

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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.