Home / 877,538.75-1,315,313.04-403,244.06

Finding the Fourth Proportional to 877,538.75, 1,315,313.04 and 403,244.06

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Solution

The fourth proportional to 877,538.75, 1,315,313.04 and 403,244.06 is: 604,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,538.75 : 1,315,313.04 = 403,244.06 : x
  2. Step 2: Convert to fraction form
    877,538.75/1,315,313.04 = 403,244.06/x
  3. Step 3: Cross multiply
    877,538.75x = 1,315,313.04 × 403,244.06
  4. Step 4: Simplify right side
    877,538.75x = 530,392,170,420.54
  5. Step 5: Solve for x
    x = 530,392,170,420.54/877,538.75
  6. Step 6: Final answer
    x = 604,408.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.