Home / 1,889,760.90-2,834,651.79-469,816.98

Finding the Fourth Proportional to 1,889,760.90, 2,834,651.79 and 469,816.98

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Solution

The fourth proportional to 1,889,760.90, 2,834,651.79 and 469,816.98 is: 704,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,760.90 : 2,834,651.79 = 469,816.98 : x
  2. Step 2: Convert to fraction form
    1,889,760.90/2,834,651.79 = 469,816.98/x
  3. Step 3: Cross multiply
    1,889,760.90x = 2,834,651.79 × 469,816.98
  4. Step 4: Simplify right side
    1,889,760.90x = 1,331,767,543,329.39
  5. Step 5: Solve for x
    x = 1,331,767,543,329.39/1,889,760.90
  6. Step 6: Final answer
    x = 704,728.07

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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.