Home / 446,311.20-669,466.80-165,770.40

Finding the Fourth Proportional to 446,311.20, 669,466.80 and 165,770.40

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Solution

The fourth proportional to 446,311.20, 669,466.80 and 165,770.40 is: 248,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,311.20 : 669,466.80 = 165,770.40 : x
  2. Step 2: Convert to fraction form
    446,311.20/669,466.80 = 165,770.40/x
  3. Step 3: Cross multiply
    446,311.20x = 669,466.80 × 165,770.40
  4. Step 4: Simplify right side
    446,311.20x = 110,977,779,222.72
  5. Step 5: Solve for x
    x = 110,977,779,222.72/446,311.20
  6. Step 6: Final answer
    x = 248,655.60

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Similar ratio
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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.