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Finding the Fourth Proportional to 1,019,640.96, 1,407,096 and 566,928

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Solution

The fourth proportional to 1,019,640.96, 1,407,096 and 566,928 is: 782,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,640.96 : 1,407,096 = 566,928 : x
  2. Step 2: Convert to fraction form
    1,019,640.96/1,407,096 = 566,928/x
  3. Step 3: Cross multiply
    1,019,640.96x = 1,407,096 × 566,928
  4. Step 4: Simplify right side
    1,019,640.96x = 797,722,121,088
  5. Step 5: Solve for x
    x = 797,722,121,088/1,019,640.96
  6. Step 6: Final answer
    x = 782,355.90

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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.