Home / 787,058.22-1,086,135.27-447,526.44

Finding the Fourth Proportional to 787,058.22, 1,086,135.27 and 447,526.44

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Solution

The fourth proportional to 787,058.22, 1,086,135.27 and 447,526.44 is: 617,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,058.22 : 1,086,135.27 = 447,526.44 : x
  2. Step 2: Convert to fraction form
    787,058.22/1,086,135.27 = 447,526.44/x
  3. Step 3: Cross multiply
    787,058.22x = 1,086,135.27 × 447,526.44
  4. Step 4: Simplify right side
    787,058.22x = 486,074,250,741.54
  5. Step 5: Solve for x
    x = 486,074,250,741.54/787,058.22
  6. Step 6: Final answer
    x = 617,583.60

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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.