Home / 6,505,807.80-9,758,711.70-1,777,999.80

Finding the Fourth Proportional to 6,505,807.80, 9,758,711.70 and 1,777,999.80

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Solution

The fourth proportional to 6,505,807.80, 9,758,711.70 and 1,777,999.80 is: 2,666,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505,807.80 : 9,758,711.70 = 1,777,999.80 : x
  2. Step 2: Convert to fraction form
    6,505,807.80/9,758,711.70 = 1,777,999.80/x
  3. Step 3: Cross multiply
    6,505,807.80x = 9,758,711.70 × 1,777,999.80
  4. Step 4: Simplify right side
    6,505,807.80x = 17,350,987,450,857.66
  5. Step 5: Solve for x
    x = 17,350,987,450,857.66/6,505,807.80
  6. Step 6: Final answer
    x = 2,666,999.70

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1.5x scale

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.