Home / 809,322.84-1,116,927.36-446,816.52

Finding the Fourth Proportional to 809,322.84, 1,116,927.36 and 446,816.52

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Solution

The fourth proportional to 809,322.84, 1,116,927.36 and 446,816.52 is: 616,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,322.84 : 1,116,927.36 = 446,816.52 : x
  2. Step 2: Convert to fraction form
    809,322.84/1,116,927.36 = 446,816.52/x
  3. Step 3: Cross multiply
    809,322.84x = 1,116,927.36 × 446,816.52
  4. Step 4: Simplify right side
    809,322.84x = 499,061,596,087.99
  5. Step 5: Solve for x
    x = 499,061,596,087.99/809,322.84
  6. Step 6: Final answer
    x = 616,640.94

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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.