Home / 693,748.40-1,040,801.65-213,965.37

Finding the Fourth Proportional to 693,748.40, 1,040,801.65 and 213,965.37

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Solution

The fourth proportional to 693,748.40, 1,040,801.65 and 213,965.37 is: 321,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,748.40 : 1,040,801.65 = 213,965.37 : x
  2. Step 2: Convert to fraction form
    693,748.40/1,040,801.65 = 213,965.37/x
  3. Step 3: Cross multiply
    693,748.40x = 1,040,801.65 × 213,965.37
  4. Step 4: Simplify right side
    693,748.40x = 222,695,513,734.76
  5. Step 5: Solve for x
    x = 222,695,513,734.76/693,748.40
  6. Step 6: Final answer
    x = 321,003.28

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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.