Home / 1,229,488.88-1,696,702.08-685,659.08

Finding the Fourth Proportional to 1,229,488.88, 1,696,702.08 and 685,659.08

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Solution

The fourth proportional to 1,229,488.88, 1,696,702.08 and 685,659.08 is: 946,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,488.88 : 1,696,702.08 = 685,659.08 : x
  2. Step 2: Convert to fraction form
    1,229,488.88/1,696,702.08 = 685,659.08/x
  3. Step 3: Cross multiply
    1,229,488.88x = 1,696,702.08 × 685,659.08
  4. Step 4: Simplify right side
    1,229,488.88x = 1,163,359,187,206.89
  5. Step 5: Solve for x
    x = 1,163,359,187,206.89/1,229,488.88
  6. Step 6: Final answer
    x = 946,213.67

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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.