Home / 697,945.34-962,919.29-456,369.32

Finding the Fourth Proportional to 697,945.34, 962,919.29 and 456,369.32

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Solution

The fourth proportional to 697,945.34, 962,919.29 and 456,369.32 is: 629,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,945.34 : 962,919.29 = 456,369.32 : x
  2. Step 2: Convert to fraction form
    697,945.34/962,919.29 = 456,369.32/x
  3. Step 3: Cross multiply
    697,945.34x = 962,919.29 × 456,369.32
  4. Step 4: Simplify right side
    697,945.34x = 439,446,814,495.74
  5. Step 5: Solve for x
    x = 439,446,814,495.74/697,945.34
  6. Step 6: Final answer
    x = 629,629.27

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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.