Home / 793,887.36-1,096,136.16-488,374.40

Finding the Fourth Proportional to 793,887.36, 1,096,136.16 and 488,374.40

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Solution

The fourth proportional to 793,887.36, 1,096,136.16 and 488,374.40 is: 674,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,887.36 : 1,096,136.16 = 488,374.40 : x
  2. Step 2: Convert to fraction form
    793,887.36/1,096,136.16 = 488,374.40/x
  3. Step 3: Cross multiply
    793,887.36x = 1,096,136.16 × 488,374.40
  4. Step 4: Simplify right side
    793,887.36x = 535,324,839,458.30
  5. Step 5: Solve for x
    x = 535,324,839,458.30/793,887.36
  6. Step 6: Final answer
    x = 674,308.30

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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.