Home / 1,231,040.96-1,846,829.28-389,600

Finding the Fourth Proportional to 1,231,040.96, 1,846,829.28 and 389,600

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Solution

The fourth proportional to 1,231,040.96, 1,846,829.28 and 389,600 is: 584,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,040.96 : 1,846,829.28 = 389,600 : x
  2. Step 2: Convert to fraction form
    1,231,040.96/1,846,829.28 = 389,600/x
  3. Step 3: Cross multiply
    1,231,040.96x = 1,846,829.28 × 389,600
  4. Step 4: Simplify right side
    1,231,040.96x = 719,524,687,488
  5. Step 5: Solve for x
    x = 719,524,687,488/1,231,040.96
  6. Step 6: Final answer
    x = 584,484.77

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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.