Home / 798,100.12-1,197,116.69-371,489.24

Finding the Fourth Proportional to 798,100.12, 1,197,116.69 and 371,489.24

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Solution

The fourth proportional to 798,100.12, 1,197,116.69 and 371,489.24 is: 557,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,100.12 : 1,197,116.69 = 371,489.24 : x
  2. Step 2: Convert to fraction form
    798,100.12/1,197,116.69 = 371,489.24/x
  3. Step 3: Cross multiply
    798,100.12x = 1,197,116.69 × 371,489.24
  4. Step 4: Simplify right side
    798,100.12x = 444,715,971,887.85
  5. Step 5: Solve for x
    x = 444,715,971,887.85/798,100.12
  6. Step 6: Final answer
    x = 557,218.27

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1.5x scale

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.