Home / 1,213,857.72-1,674,873.58-697,511.85

Finding the Fourth Proportional to 1,213,857.72, 1,674,873.58 and 697,511.85

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Solution

The fourth proportional to 1,213,857.72, 1,674,873.58 and 697,511.85 is: 962,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,857.72 : 1,674,873.58 = 697,511.85 : x
  2. Step 2: Convert to fraction form
    1,213,857.72/1,674,873.58 = 697,511.85/x
  3. Step 3: Cross multiply
    1,213,857.72x = 1,674,873.58 × 697,511.85
  4. Step 4: Simplify right side
    1,213,857.72x = 1,168,244,169,301.92
  5. Step 5: Solve for x
    x = 1,168,244,169,301.92/1,213,857.72
  6. Step 6: Final answer
    x = 962,422.65

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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.