Home / 727,824.33-1,004,384.21-405,527.49

Finding the Fourth Proportional to 727,824.33, 1,004,384.21 and 405,527.49

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Solution

The fourth proportional to 727,824.33, 1,004,384.21 and 405,527.49 is: 559,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,824.33 : 1,004,384.21 = 405,527.49 : x
  2. Step 2: Convert to fraction form
    727,824.33/1,004,384.21 = 405,527.49/x
  3. Step 3: Cross multiply
    727,824.33x = 1,004,384.21 × 405,527.49
  4. Step 4: Simplify right side
    727,824.33x = 407,305,405,649.30
  5. Step 5: Solve for x
    x = 407,305,405,649.30/727,824.33
  6. Step 6: Final answer
    x = 559,620.49

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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.