Home / 1,357,997.76-1,874,128.32-785,183.04

Finding the Fourth Proportional to 1,357,997.76, 1,874,128.32 and 785,183.04

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Solution

The fourth proportional to 1,357,997.76, 1,874,128.32 and 785,183.04 is: 1,083,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,997.76 : 1,874,128.32 = 785,183.04 : x
  2. Step 2: Convert to fraction form
    1,357,997.76/1,874,128.32 = 785,183.04/x
  3. Step 3: Cross multiply
    1,357,997.76x = 1,874,128.32 × 785,183.04
  4. Step 4: Simplify right side
    1,357,997.76x = 1,471,533,771,647.69
  5. Step 5: Solve for x
    x = 1,471,533,771,647.69/1,357,997.76
  6. Step 6: Final answer
    x = 1,083,605.45

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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.