Home / 1,462,813.86-2,193,431.81-663,659.40

Finding the Fourth Proportional to 1,462,813.86, 2,193,431.81 and 663,659.40

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Solution

The fourth proportional to 1,462,813.86, 2,193,431.81 and 663,659.40 is: 995,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,813.86 : 2,193,431.81 = 663,659.40 : x
  2. Step 2: Convert to fraction form
    1,462,813.86/2,193,431.81 = 663,659.40/x
  3. Step 3: Cross multiply
    1,462,813.86x = 2,193,431.81 × 663,659.40
  4. Step 4: Simplify right side
    1,462,813.86x = 1,455,691,635,647.22
  5. Step 5: Solve for x
    x = 1,455,691,635,647.22/1,462,813.86
  6. Step 6: Final answer
    x = 995,131.15

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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.