Home / 1,933,940.80-2,899,890.60-654,108.40

Finding the Fourth Proportional to 1,933,940.80, 2,899,890.60 and 654,108.40

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Solution

The fourth proportional to 1,933,940.80, 2,899,890.60 and 654,108.40 is: 980,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,940.80 : 2,899,890.60 = 654,108.40 : x
  2. Step 2: Convert to fraction form
    1,933,940.80/2,899,890.60 = 654,108.40/x
  3. Step 3: Cross multiply
    1,933,940.80x = 2,899,890.60 × 654,108.40
  4. Step 4: Simplify right side
    1,933,940.80x = 1,896,842,800,541.04
  5. Step 5: Solve for x
    x = 1,896,842,800,541.04/1,933,940.80
  6. Step 6: Final answer
    x = 980,817.41

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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.