Home / 1,291,556.38-1,937,407.44-393,027.40

Finding the Fourth Proportional to 1,291,556.38, 1,937,407.44 and 393,027.40

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Solution

The fourth proportional to 1,291,556.38, 1,937,407.44 and 393,027.40 is: 589,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,556.38 : 1,937,407.44 = 393,027.40 : x
  2. Step 2: Convert to fraction form
    1,291,556.38/1,937,407.44 = 393,027.40/x
  3. Step 3: Cross multiply
    1,291,556.38x = 1,937,407.44 × 393,027.40
  4. Step 4: Simplify right side
    1,291,556.38x = 761,454,208,883.86
  5. Step 5: Solve for x
    x = 761,454,208,883.86/1,291,556.38
  6. Step 6: Final answer
    x = 589,563.27

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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.