Home / 1,189,346.81-1,784,004.26-290,796.29

Finding the Fourth Proportional to 1,189,346.81, 1,784,004.26 and 290,796.29

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Solution

The fourth proportional to 1,189,346.81, 1,784,004.26 and 290,796.29 is: 436,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,346.81 : 1,784,004.26 = 290,796.29 : x
  2. Step 2: Convert to fraction form
    1,189,346.81/1,784,004.26 = 290,796.29/x
  3. Step 3: Cross multiply
    1,189,346.81x = 1,784,004.26 × 290,796.29
  4. Step 4: Simplify right side
    1,189,346.81x = 518,781,825,339.20
  5. Step 5: Solve for x
    x = 518,781,825,339.20/1,189,346.81
  6. Step 6: Final answer
    x = 436,190.54

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1.5x scale

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.