Home / 1,198,689.60-1,798,296.96-450,735.60

Finding the Fourth Proportional to 1,198,689.60, 1,798,296.96 and 450,735.60

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Solution

The fourth proportional to 1,198,689.60, 1,798,296.96 and 450,735.60 is: 676,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,689.60 : 1,798,296.96 = 450,735.60 : x
  2. Step 2: Convert to fraction form
    1,198,689.60/1,798,296.96 = 450,735.60/x
  3. Step 3: Cross multiply
    1,198,689.60x = 1,798,296.96 × 450,735.60
  4. Step 4: Simplify right side
    1,198,689.60x = 810,556,459,243.78
  5. Step 5: Solve for x
    x = 810,556,459,243.78/1,198,689.60
  6. Step 6: Final answer
    x = 676,202.13

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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.