Home / 864,322.55-1,192,784.21-477,137.05

Finding the Fourth Proportional to 864,322.55, 1,192,784.21 and 477,137.05

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Solution

The fourth proportional to 864,322.55, 1,192,784.21 and 477,137.05 is: 658,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,322.55 : 1,192,784.21 = 477,137.05 : x
  2. Step 2: Convert to fraction form
    864,322.55/1,192,784.21 = 477,137.05/x
  3. Step 3: Cross multiply
    864,322.55x = 1,192,784.21 × 477,137.05
  4. Step 4: Simplify right side
    864,322.55x = 569,121,539,245.98
  5. Step 5: Solve for x
    x = 569,121,539,245.98/864,322.55
  6. Step 6: Final answer
    x = 658,459.67

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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.