Home / 1,040,113.10-1,434,928.67-632,149.21

Finding the Fourth Proportional to 1,040,113.10, 1,434,928.67 and 632,149.21

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Solution

The fourth proportional to 1,040,113.10, 1,434,928.67 and 632,149.21 is: 872,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,113.10 : 1,434,928.67 = 632,149.21 : x
  2. Step 2: Convert to fraction form
    1,040,113.10/1,434,928.67 = 632,149.21/x
  3. Step 3: Cross multiply
    1,040,113.10x = 1,434,928.67 × 632,149.21
  4. Step 4: Simplify right side
    1,040,113.10x = 907,089,026,150.33
  5. Step 5: Solve for x
    x = 907,089,026,150.33/1,040,113.10
  6. Step 6: Final answer
    x = 872,106.14

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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.