Home / 860,344.68-1,289,395.74-439,265.64

Finding the Fourth Proportional to 860,344.68, 1,289,395.74 and 439,265.64

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Solution

The fourth proportional to 860,344.68, 1,289,395.74 and 439,265.64 is: 658,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,344.68 : 1,289,395.74 = 439,265.64 : x
  2. Step 2: Convert to fraction form
    860,344.68/1,289,395.74 = 439,265.64/x
  3. Step 3: Cross multiply
    860,344.68x = 1,289,395.74 × 439,265.64
  4. Step 4: Simplify right side
    860,344.68x = 566,387,244,944.37
  5. Step 5: Solve for x
    x = 566,387,244,944.37/860,344.68
  6. Step 6: Final answer
    x = 658,325.97

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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.