Home / 966,764.20-1,450,664.70-405,855.40

Finding the Fourth Proportional to 966,764.20, 1,450,664.70 and 405,855.40

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Solution

The fourth proportional to 966,764.20, 1,450,664.70 and 405,855.40 is: 609,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,764.20 : 1,450,664.70 = 405,855.40 : x
  2. Step 2: Convert to fraction form
    966,764.20/1,450,664.70 = 405,855.40/x
  3. Step 3: Cross multiply
    966,764.20x = 1,450,664.70 × 405,855.40
  4. Step 4: Simplify right side
    966,764.20x = 588,760,102,084.38
  5. Step 5: Solve for x
    x = 588,760,102,084.38/966,764.20
  6. Step 6: Final answer
    x = 609,000.73

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1.5x scale

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.