Home / 697,191.75-962,124.63-395,385.75

Finding the Fourth Proportional to 697,191.75, 962,124.63 and 395,385.75

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Solution

The fourth proportional to 697,191.75, 962,124.63 and 395,385.75 is: 545,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,191.75 : 962,124.63 = 395,385.75 : x
  2. Step 2: Convert to fraction form
    697,191.75/962,124.63 = 395,385.75/x
  3. Step 3: Cross multiply
    697,191.75x = 962,124.63 × 395,385.75
  4. Step 4: Simplify right side
    697,191.75x = 380,410,368,426.02
  5. Step 5: Solve for x
    x = 380,410,368,426.02/697,191.75
  6. Step 6: Final answer
    x = 545,632.34

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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.