Home / 1,277,070.80-1,915,606.20-1,133,301.20

Finding the Fourth Proportional to 1,277,070.80, 1,915,606.20 and 1,133,301.20

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Solution

The fourth proportional to 1,277,070.80, 1,915,606.20 and 1,133,301.20 is: 1,699,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,070.80 : 1,915,606.20 = 1,133,301.20 : x
  2. Step 2: Convert to fraction form
    1,277,070.80/1,915,606.20 = 1,133,301.20/x
  3. Step 3: Cross multiply
    1,277,070.80x = 1,915,606.20 × 1,133,301.20
  4. Step 4: Simplify right side
    1,277,070.80x = 2,170,958,805,187.44
  5. Step 5: Solve for x
    x = 2,170,958,805,187.44/1,277,070.80
  6. Step 6: Final answer
    x = 1,699,951.80

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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.