Home / 697,147.75-962,063.90-395,341.75

Finding the Fourth Proportional to 697,147.75, 962,063.90 and 395,341.75

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Solution

The fourth proportional to 697,147.75, 962,063.90 and 395,341.75 is: 545,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,147.75 : 962,063.90 = 395,341.75 : x
  2. Step 2: Convert to fraction form
    697,147.75/962,063.90 = 395,341.75/x
  3. Step 3: Cross multiply
    697,147.75x = 962,063.90 × 395,341.75
  4. Step 4: Simplify right side
    697,147.75x = 380,344,025,837.83
  5. Step 5: Solve for x
    x = 380,344,025,837.83/697,147.75
  6. Step 6: Final answer
    x = 545,571.62

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1.5x scale

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.