Home / 1,119,828.35-1,678,954.97-520,152.83

Finding the Fourth Proportional to 1,119,828.35, 1,678,954.97 and 520,152.83

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Solution

The fourth proportional to 1,119,828.35, 1,678,954.97 and 520,152.83 is: 779,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,828.35 : 1,678,954.97 = 520,152.83 : x
  2. Step 2: Convert to fraction form
    1,119,828.35/1,678,954.97 = 520,152.83/x
  3. Step 3: Cross multiply
    1,119,828.35x = 1,678,954.97 × 520,152.83
  4. Step 4: Simplify right side
    1,119,828.35x = 873,313,179,561.28
  5. Step 5: Solve for x
    x = 873,313,179,561.28/1,119,828.35
  6. Step 6: Final answer
    x = 779,863.43

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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.