Home / 1,948,788.96-2,923,577.64-811,636.80

Finding the Fourth Proportional to 1,948,788.96, 2,923,577.64 and 811,636.80

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Solution

The fourth proportional to 1,948,788.96, 2,923,577.64 and 811,636.80 is: 1,217,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,788.96 : 2,923,577.64 = 811,636.80 : x
  2. Step 2: Convert to fraction form
    1,948,788.96/2,923,577.64 = 811,636.80/x
  3. Step 3: Cross multiply
    1,948,788.96x = 2,923,577.64 × 811,636.80
  4. Step 4: Simplify right side
    1,948,788.96x = 2,372,883,200,281.15
  5. Step 5: Solve for x
    x = 2,372,883,200,281.15/1,948,788.96
  6. Step 6: Final answer
    x = 1,217,619.38

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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.