Home / 1,327,294.76-1,991,071.53-528,389.73

Finding the Fourth Proportional to 1,327,294.76, 1,991,071.53 and 528,389.73

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Solution

The fourth proportional to 1,327,294.76, 1,991,071.53 and 528,389.73 is: 792,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,294.76 : 1,991,071.53 = 528,389.73 : x
  2. Step 2: Convert to fraction form
    1,327,294.76/1,991,071.53 = 528,389.73/x
  3. Step 3: Cross multiply
    1,327,294.76x = 1,991,071.53 × 528,389.73
  4. Step 4: Simplify right side
    1,327,294.76x = 1,052,061,748,147.39
  5. Step 5: Solve for x
    x = 1,052,061,748,147.39/1,327,294.76
  6. Step 6: Final answer
    x = 792,636.11

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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.