Home / 1,413,568.38-2,120,590.72-655,102.20

Finding the Fourth Proportional to 1,413,568.38, 2,120,590.72 and 655,102.20

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Solution

The fourth proportional to 1,413,568.38, 2,120,590.72 and 655,102.20 is: 982,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,568.38 : 2,120,590.72 = 655,102.20 : x
  2. Step 2: Convert to fraction form
    1,413,568.38/2,120,590.72 = 655,102.20/x
  3. Step 3: Cross multiply
    1,413,568.38x = 2,120,590.72 × 655,102.20
  4. Step 4: Simplify right side
    1,413,568.38x = 1,389,203,649,635.31
  5. Step 5: Solve for x
    x = 1,389,203,649,635.31/1,413,568.38
  6. Step 6: Final answer
    x = 982,763.67

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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.