Home / 1,437,942.98-2,156,915.19-491,322.98

Finding the Fourth Proportional to 1,437,942.98, 2,156,915.19 and 491,322.98

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Solution

The fourth proportional to 1,437,942.98, 2,156,915.19 and 491,322.98 is: 736,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,942.98 : 2,156,915.19 = 491,322.98 : x
  2. Step 2: Convert to fraction form
    1,437,942.98/2,156,915.19 = 491,322.98/x
  3. Step 3: Cross multiply
    1,437,942.98x = 2,156,915.19 × 491,322.98
  4. Step 4: Simplify right side
    1,437,942.98x = 1,059,741,998,758.07
  5. Step 5: Solve for x
    x = 1,059,741,998,758.07/1,437,942.98
  6. Step 6: Final answer
    x = 736,984.72

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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.