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Finding the Fourth Proportional to 683,763.10, 1,025,644.65 and 606,999.40

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Solution

The fourth proportional to 683,763.10, 1,025,644.65 and 606,999.40 is: 910,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,763.10 : 1,025,644.65 = 606,999.40 : x
  2. Step 2: Convert to fraction form
    683,763.10/1,025,644.65 = 606,999.40/x
  3. Step 3: Cross multiply
    683,763.10x = 1,025,644.65 × 606,999.40
  4. Step 4: Simplify right side
    683,763.10x = 622,565,687,163.21
  5. Step 5: Solve for x
    x = 622,565,687,163.21/683,763.10
  6. Step 6: Final answer
    x = 910,499.10

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Similar ratio
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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.