Home / 1,230,068.28-1,845,091.44-388,620

Finding the Fourth Proportional to 1,230,068.28, 1,845,091.44 and 388,620

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Solution

The fourth proportional to 1,230,068.28, 1,845,091.44 and 388,620 is: 582,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,068.28 : 1,845,091.44 = 388,620 : x
  2. Step 2: Convert to fraction form
    1,230,068.28/1,845,091.44 = 388,620/x
  3. Step 3: Cross multiply
    1,230,068.28x = 1,845,091.44 × 388,620
  4. Step 4: Simplify right side
    1,230,068.28x = 717,039,435,412.80
  5. Step 5: Solve for x
    x = 717,039,435,412.80/1,230,068.28
  6. Step 6: Final answer
    x = 582,926.53

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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.