Home / 1,229,222.02-1,696,202.76-685,307.02

Finding the Fourth Proportional to 1,229,222.02, 1,696,202.76 and 685,307.02

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Solution

The fourth proportional to 1,229,222.02, 1,696,202.76 and 685,307.02 is: 945,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,222.02 : 1,696,202.76 = 685,307.02 : x
  2. Step 2: Convert to fraction form
    1,229,222.02/1,696,202.76 = 685,307.02/x
  3. Step 3: Cross multiply
    1,229,222.02x = 1,696,202.76 × 685,307.02
  4. Step 4: Simplify right side
    1,229,222.02x = 1,162,419,658,771.38
  5. Step 5: Solve for x
    x = 1,162,419,658,771.38/1,229,222.02
  6. Step 6: Final answer
    x = 945,654.76

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Double scale
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Similar ratio
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1.5x scale

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.