Home / 697,960.45-962,940.12-456,384.43

Finding the Fourth Proportional to 697,960.45, 962,940.12 and 456,384.43

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Solution

The fourth proportional to 697,960.45, 962,940.12 and 456,384.43 is: 629,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,960.45 : 962,940.12 = 456,384.43 : x
  2. Step 2: Convert to fraction form
    697,960.45/962,940.12 = 456,384.43/x
  3. Step 3: Cross multiply
    697,960.45x = 962,940.12 × 456,384.43
  4. Step 4: Simplify right side
    697,960.45x = 439,470,872,975.63
  5. Step 5: Solve for x
    x = 439,470,872,975.63/697,960.45
  6. Step 6: Final answer
    x = 629,650.11

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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.