Home / 1,154,161.11-1,731,331.03-385,661.47

Finding the Fourth Proportional to 1,154,161.11, 1,731,331.03 and 385,661.47

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Solution

The fourth proportional to 1,154,161.11, 1,731,331.03 and 385,661.47 is: 578,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,161.11 : 1,731,331.03 = 385,661.47 : x
  2. Step 2: Convert to fraction form
    1,154,161.11/1,731,331.03 = 385,661.47/x
  3. Step 3: Cross multiply
    1,154,161.11x = 1,731,331.03 × 385,661.47
  4. Step 4: Simplify right side
    1,154,161.11x = 667,707,675,524.99
  5. Step 5: Solve for x
    x = 667,707,675,524.99/1,154,161.11
  6. Step 6: Final answer
    x = 578,522.07

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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.