Home / 697,961.45-962,941.50-456,385.43

Finding the Fourth Proportional to 697,961.45, 962,941.50 and 456,385.43

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Solution

The fourth proportional to 697,961.45, 962,941.50 and 456,385.43 is: 629,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,961.45 : 962,941.50 = 456,385.43 : x
  2. Step 2: Convert to fraction form
    697,961.45/962,941.50 = 456,385.43/x
  3. Step 3: Cross multiply
    697,961.45x = 962,941.50 × 456,385.43
  4. Step 4: Simplify right side
    697,961.45x = 439,472,465,727.64
  5. Step 5: Solve for x
    x = 439,472,465,727.64/697,961.45
  6. Step 6: Final answer
    x = 629,651.49

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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.