Home / 668,226.35-921,260.25-530,861.06

Finding the Fourth Proportional to 668,226.35, 921,260.25 and 530,861.06

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Solution

The fourth proportional to 668,226.35, 921,260.25 and 530,861.06 is: 731,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,226.35 : 921,260.25 = 530,861.06 : x
  2. Step 2: Convert to fraction form
    668,226.35/921,260.25 = 530,861.06/x
  3. Step 3: Cross multiply
    668,226.35x = 921,260.25 × 530,861.06
  4. Step 4: Simplify right side
    668,226.35x = 489,061,188,244.56
  5. Step 5: Solve for x
    x = 489,061,188,244.56/668,226.35
  6. Step 6: Final answer
    x = 731,879.54

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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.