Home / 697,204.53-962,142.26-395,398.53

Finding the Fourth Proportional to 697,204.53, 962,142.26 and 395,398.53

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Solution

The fourth proportional to 697,204.53, 962,142.26 and 395,398.53 is: 545,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,204.53 : 962,142.26 = 395,398.53 : x
  2. Step 2: Convert to fraction form
    697,204.53/962,142.26 = 395,398.53/x
  3. Step 3: Cross multiply
    697,204.53x = 962,142.26 × 395,398.53
  4. Step 4: Simplify right side
    697,204.53x = 380,429,633,277.89
  5. Step 5: Solve for x
    x = 380,429,633,277.89/697,204.53
  6. Step 6: Final answer
    x = 545,649.97

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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.