Home / 653,771.62-982,133.72-387,706.67

Finding the Fourth Proportional to 653,771.62, 982,133.72 and 387,706.67

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Solution

The fourth proportional to 653,771.62, 982,133.72 and 387,706.67 is: 582,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,771.62 : 982,133.72 = 387,706.67 : x
  2. Step 2: Convert to fraction form
    653,771.62/982,133.72 = 387,706.67/x
  3. Step 3: Cross multiply
    653,771.62x = 982,133.72 × 387,706.67
  4. Step 4: Simplify right side
    653,771.62x = 380,779,794,075.91
  5. Step 5: Solve for x
    x = 380,779,794,075.91/653,771.62
  6. Step 6: Final answer
    x = 582,435.49

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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.