Home / 1,919,775.02-2,880,136.26-571,932.38

Finding the Fourth Proportional to 1,919,775.02, 2,880,136.26 and 571,932.38

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Solution

The fourth proportional to 1,919,775.02, 2,880,136.26 and 571,932.38 is: 858,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,775.02 : 2,880,136.26 = 571,932.38 : x
  2. Step 2: Convert to fraction form
    1,919,775.02/2,880,136.26 = 571,932.38/x
  3. Step 3: Cross multiply
    1,919,775.02x = 2,880,136.26 × 571,932.38
  4. Step 4: Simplify right side
    1,919,775.02x = 1,647,243,171,505.42
  5. Step 5: Solve for x
    x = 1,647,243,171,505.42/1,919,775.02
  6. Step 6: Final answer
    x = 858,039.70

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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.