Home / 1,219,884.86-1,683,420.54-676,019.54

Finding the Fourth Proportional to 1,219,884.86, 1,683,420.54 and 676,019.54

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Solution

The fourth proportional to 1,219,884.86, 1,683,420.54 and 676,019.54 is: 932,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,884.86 : 1,683,420.54 = 676,019.54 : x
  2. Step 2: Convert to fraction form
    1,219,884.86/1,683,420.54 = 676,019.54/x
  3. Step 3: Cross multiply
    1,219,884.86x = 1,683,420.54 × 676,019.54
  4. Step 4: Simplify right side
    1,219,884.86x = 1,138,025,170,660.25
  5. Step 5: Solve for x
    x = 1,138,025,170,660.25/1,219,884.86
  6. Step 6: Final answer
    x = 932,895.56

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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.