Home / 1,205,216.96-1,807,116.64-457,315.52

Finding the Fourth Proportional to 1,205,216.96, 1,807,116.64 and 457,315.52

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Solution

The fourth proportional to 1,205,216.96, 1,807,116.64 and 457,315.52 is: 685,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,216.96 : 1,807,116.64 = 457,315.52 : x
  2. Step 2: Convert to fraction form
    1,205,216.96/1,807,116.64 = 457,315.52/x
  3. Step 3: Cross multiply
    1,205,216.96x = 1,807,116.64 × 457,315.52
  4. Step 4: Simplify right side
    1,205,216.96x = 826,422,485,922.25
  5. Step 5: Solve for x
    x = 826,422,485,922.25/1,205,216.96
  6. Step 6: Final answer
    x = 685,704.33

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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.