Home / 696,267.75-961,164.25-438,523.50

Finding the Fourth Proportional to 696,267.75, 961,164.25 and 438,523.50

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Solution

The fourth proportional to 696,267.75, 961,164.25 and 438,523.50 is: 605,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,267.75 : 961,164.25 = 438,523.50 : x
  2. Step 2: Convert to fraction form
    696,267.75/961,164.25 = 438,523.50/x
  3. Step 3: Cross multiply
    696,267.75x = 961,164.25 × 438,523.50
  4. Step 4: Simplify right side
    696,267.75x = 421,493,110,984.88
  5. Step 5: Solve for x
    x = 421,493,110,984.88/696,267.75
  6. Step 6: Final answer
    x = 605,360.67

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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.