Home / 969,610.70-1,453,741.53-429,573.98

Finding the Fourth Proportional to 969,610.70, 1,453,741.53 and 429,573.98

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Solution

The fourth proportional to 969,610.70, 1,453,741.53 and 429,573.98 is: 644,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,610.70 : 1,453,741.53 = 429,573.98 : x
  2. Step 2: Convert to fraction form
    969,610.70/1,453,741.53 = 429,573.98/x
  3. Step 3: Cross multiply
    969,610.70x = 1,453,741.53 × 429,573.98
  4. Step 4: Simplify right side
    969,610.70x = 624,489,536,956.84
  5. Step 5: Solve for x
    x = 624,489,536,956.84/969,610.70
  6. Step 6: Final answer
    x = 644,062.13

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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.