Home / 804,151.55-1,108,968.48-528,022.41

Finding the Fourth Proportional to 804,151.55, 1,108,968.48 and 528,022.41

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Solution

The fourth proportional to 804,151.55, 1,108,968.48 and 528,022.41 is: 728,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,151.55 : 1,108,968.48 = 528,022.41 : x
  2. Step 2: Convert to fraction form
    804,151.55/1,108,968.48 = 528,022.41/x
  3. Step 3: Cross multiply
    804,151.55x = 1,108,968.48 × 528,022.41
  4. Step 4: Simplify right side
    804,151.55x = 585,560,209,423.64
  5. Step 5: Solve for x
    x = 585,560,209,423.64/804,151.55
  6. Step 6: Final answer
    x = 728,171.47

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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.