Home / 1,256,891.38-1,885,632.37-415,443.14

Finding the Fourth Proportional to 1,256,891.38, 1,885,632.37 and 415,443.14

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Solution

The fourth proportional to 1,256,891.38, 1,885,632.37 and 415,443.14 is: 623,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,891.38 : 1,885,632.37 = 415,443.14 : x
  2. Step 2: Convert to fraction form
    1,256,891.38/1,885,632.37 = 415,443.14/x
  3. Step 3: Cross multiply
    1,256,891.38x = 1,885,632.37 × 415,443.14
  4. Step 4: Simplify right side
    1,256,891.38x = 783,373,032,678.44
  5. Step 5: Solve for x
    x = 783,373,032,678.44/1,256,891.38
  6. Step 6: Final answer
    x = 623,262.32

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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.