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Finding the Fourth Proportional to 1,064,867.70, 1,597,301.55 and 983,766.90

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Solution

The fourth proportional to 1,064,867.70, 1,597,301.55 and 983,766.90 is: 1,475,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,867.70 : 1,597,301.55 = 983,766.90 : x
  2. Step 2: Convert to fraction form
    1,064,867.70/1,597,301.55 = 983,766.90/x
  3. Step 3: Cross multiply
    1,064,867.70x = 1,597,301.55 × 983,766.90
  4. Step 4: Simplify right side
    1,064,867.70x = 1,571,372,394,208.70
  5. Step 5: Solve for x
    x = 1,571,372,394,208.70/1,064,867.70
  6. Step 6: Final answer
    x = 1,475,650.35

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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.