Home / 1,237,628.97-1,707,999.82-693,939.76

Finding the Fourth Proportional to 1,237,628.97, 1,707,999.82 and 693,939.76

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Solution

The fourth proportional to 1,237,628.97, 1,707,999.82 and 693,939.76 is: 957,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,628.97 : 1,707,999.82 = 693,939.76 : x
  2. Step 2: Convert to fraction form
    1,237,628.97/1,707,999.82 = 693,939.76/x
  3. Step 3: Cross multiply
    1,237,628.97x = 1,707,999.82 × 693,939.76
  4. Step 4: Simplify right side
    1,237,628.97x = 1,185,248,979,165.99
  5. Step 5: Solve for x
    x = 1,185,248,979,165.99/1,237,628.97
  6. Step 6: Final answer
    x = 957,677.15

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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.