Home / 1,731,214.38-2,389,199.54-956,828.56

Finding the Fourth Proportional to 1,731,214.38, 2,389,199.54 and 956,828.56

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Solution

The fourth proportional to 1,731,214.38, 2,389,199.54 and 956,828.56 is: 1,320,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,214.38 : 2,389,199.54 = 956,828.56 : x
  2. Step 2: Convert to fraction form
    1,731,214.38/2,389,199.54 = 956,828.56/x
  3. Step 3: Cross multiply
    1,731,214.38x = 2,389,199.54 × 956,828.56
  4. Step 4: Simplify right side
    1,731,214.38x = 2,286,054,355,410.86
  5. Step 5: Solve for x
    x = 2,286,054,355,410.86/1,731,214.38
  6. Step 6: Final answer
    x = 1,320,491.78

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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.