Home / 1,325,007.40-1,987,543.77-483,558.88

Finding the Fourth Proportional to 1,325,007.40, 1,987,543.77 and 483,558.88

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Solution

The fourth proportional to 1,325,007.40, 1,987,543.77 and 483,558.88 is: 725,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,007.40 : 1,987,543.77 = 483,558.88 : x
  2. Step 2: Convert to fraction form
    1,325,007.40/1,987,543.77 = 483,558.88/x
  3. Step 3: Cross multiply
    1,325,007.40x = 1,987,543.77 × 483,558.88
  4. Step 4: Simplify right side
    1,325,007.40x = 961,094,427,016.66
  5. Step 5: Solve for x
    x = 961,094,427,016.66/1,325,007.40
  6. Step 6: Final answer
    x = 725,350.24

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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.