Home / 1,151,889.12-1,589,923.16-668,609.96

Finding the Fourth Proportional to 1,151,889.12, 1,589,923.16 and 668,609.96

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Solution

The fourth proportional to 1,151,889.12, 1,589,923.16 and 668,609.96 is: 922,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,889.12 : 1,589,923.16 = 668,609.96 : x
  2. Step 2: Convert to fraction form
    1,151,889.12/1,589,923.16 = 668,609.96/x
  3. Step 3: Cross multiply
    1,151,889.12x = 1,589,923.16 × 668,609.96
  4. Step 4: Simplify right side
    1,151,889.12x = 1,063,038,460,410.67
  5. Step 5: Solve for x
    x = 1,063,038,460,410.67/1,151,889.12
  6. Step 6: Final answer
    x = 922,865.27

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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.