Home / 1,198,316.51-1,793,986.49-628,346.04

Finding the Fourth Proportional to 1,198,316.51, 1,793,986.49 and 628,346.04

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Solution

The fourth proportional to 1,198,316.51, 1,793,986.49 and 628,346.04 is: 940,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,316.51 : 1,793,986.49 = 628,346.04 : x
  2. Step 2: Convert to fraction form
    1,198,316.51/1,793,986.49 = 628,346.04/x
  3. Step 3: Cross multiply
    1,198,316.51x = 1,793,986.49 × 628,346.04
  4. Step 4: Simplify right side
    1,198,316.51x = 1,127,244,306,805.00
  5. Step 5: Solve for x
    x = 1,127,244,306,805.00/1,198,316.51
  6. Step 6: Final answer
    x = 940,689.96

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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.