Home / 1,048,759.12-1,447,398.57-641,099.62

Finding the Fourth Proportional to 1,048,759.12, 1,447,398.57 and 641,099.62

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Solution

The fourth proportional to 1,048,759.12, 1,447,398.57 and 641,099.62 is: 884,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,759.12 : 1,447,398.57 = 641,099.62 : x
  2. Step 2: Convert to fraction form
    1,048,759.12/1,447,398.57 = 641,099.62/x
  3. Step 3: Cross multiply
    1,048,759.12x = 1,447,398.57 × 641,099.62
  4. Step 4: Simplify right side
    1,048,759.12x = 927,926,673,215.54
  5. Step 5: Solve for x
    x = 927,926,673,215.54/1,048,759.12
  6. Step 6: Final answer
    x = 884,785.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.