Home / 697,193.25-962,126.70-395,387.25

Finding the Fourth Proportional to 697,193.25, 962,126.70 and 395,387.25

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Solution

The fourth proportional to 697,193.25, 962,126.70 and 395,387.25 is: 545,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,193.25 : 962,126.70 = 395,387.25 : x
  2. Step 2: Convert to fraction form
    697,193.25/962,126.70 = 395,387.25/x
  3. Step 3: Cross multiply
    697,193.25x = 962,126.70 × 395,387.25
  4. Step 4: Simplify right side
    697,193.25x = 380,412,630,064.58
  5. Step 5: Solve for x
    x = 380,412,630,064.58/697,193.25
  6. Step 6: Final answer
    x = 545,634.41

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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.