Home / 727,675.46-1,004,189.61-405,366.50

Finding the Fourth Proportional to 727,675.46, 1,004,189.61 and 405,366.50

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Solution

The fourth proportional to 727,675.46, 1,004,189.61 and 405,366.50 is: 559,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,675.46 : 1,004,189.61 = 405,366.50 : x
  2. Step 2: Convert to fraction form
    727,675.46/1,004,189.61 = 405,366.50/x
  3. Step 3: Cross multiply
    727,675.46x = 1,004,189.61 × 405,366.50
  4. Step 4: Simplify right side
    727,675.46x = 407,064,827,542.07
  5. Step 5: Solve for x
    x = 407,064,827,542.07/727,675.46
  6. Step 6: Final answer
    x = 559,404.36

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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.