Home / 727,081.75-1,003,450.58-425,528.47

Finding the Fourth Proportional to 727,081.75, 1,003,450.58 and 425,528.47

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Solution

The fourth proportional to 727,081.75, 1,003,450.58 and 425,528.47 is: 587,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,081.75 : 1,003,450.58 = 425,528.47 : x
  2. Step 2: Convert to fraction form
    727,081.75/1,003,450.58 = 425,528.47/x
  3. Step 3: Cross multiply
    727,081.75x = 1,003,450.58 × 425,528.47
  4. Step 4: Simplify right side
    727,081.75x = 426,996,790,028.01
  5. Step 5: Solve for x
    x = 426,996,790,028.01/727,081.75
  6. Step 6: Final answer
    x = 587,274.80

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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.