Home / 959,728.42-1,324,420.77-530,006.68

Finding the Fourth Proportional to 959,728.42, 1,324,420.77 and 530,006.68

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Solution

The fourth proportional to 959,728.42, 1,324,420.77 and 530,006.68 is: 731,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,728.42 : 1,324,420.77 = 530,006.68 : x
  2. Step 2: Convert to fraction form
    959,728.42/1,324,420.77 = 530,006.68/x
  3. Step 3: Cross multiply
    959,728.42x = 1,324,420.77 × 530,006.68
  4. Step 4: Simplify right side
    959,728.42x = 701,951,855,230.74
  5. Step 5: Solve for x
    x = 701,951,855,230.74/959,728.42
  6. Step 6: Final answer
    x = 731,406.76

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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.