Home / 1,229,750.91-1,697,058.83-685,872.72

Finding the Fourth Proportional to 1,229,750.91, 1,697,058.83 and 685,872.72

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Solution

The fourth proportional to 1,229,750.91, 1,697,058.83 and 685,872.72 is: 946,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,750.91 : 1,697,058.83 = 685,872.72 : x
  2. Step 2: Convert to fraction form
    1,229,750.91/1,697,058.83 = 685,872.72/x
  3. Step 3: Cross multiply
    1,229,750.91x = 1,697,058.83 × 685,872.72
  4. Step 4: Simplify right side
    1,229,750.91x = 1,163,966,357,446.80
  5. Step 5: Solve for x
    x = 1,163,966,357,446.80/1,229,750.91
  6. Step 6: Final answer
    x = 946,505.79

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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.