Home / 1,889,623.20-2,834,434.80-768,496.80

Finding the Fourth Proportional to 1,889,623.20, 2,834,434.80 and 768,496.80

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Solution

The fourth proportional to 1,889,623.20, 2,834,434.80 and 768,496.80 is: 1,152,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,623.20 : 2,834,434.80 = 768,496.80 : x
  2. Step 2: Convert to fraction form
    1,889,623.20/2,834,434.80 = 768,496.80/x
  3. Step 3: Cross multiply
    1,889,623.20x = 2,834,434.80 × 768,496.80
  4. Step 4: Simplify right side
    1,889,623.20x = 2,178,254,073,608.64
  5. Step 5: Solve for x
    x = 2,178,254,073,608.64/1,889,623.20
  6. Step 6: Final answer
    x = 1,152,745.20

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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.