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Finding the Fourth Proportional to 1,159,258.90, 1,738,888.35 and 804,964.90

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Solution

The fourth proportional to 1,159,258.90, 1,738,888.35 and 804,964.90 is: 1,207,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,258.90 : 1,738,888.35 = 804,964.90 : x
  2. Step 2: Convert to fraction form
    1,159,258.90/1,738,888.35 = 804,964.90/x
  3. Step 3: Cross multiply
    1,159,258.90x = 1,738,888.35 × 804,964.90
  4. Step 4: Simplify right side
    1,159,258.90x = 1,399,744,086,768.92
  5. Step 5: Solve for x
    x = 1,399,744,086,768.92/1,159,258.90
  6. Step 6: Final answer
    x = 1,207,447.35

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.