Home / 1,053,893.60-1,581,005.65-343,757.68

Finding the Fourth Proportional to 1,053,893.60, 1,581,005.65 and 343,757.68

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Solution

The fourth proportional to 1,053,893.60, 1,581,005.65 and 343,757.68 is: 515,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,893.60 : 1,581,005.65 = 343,757.68 : x
  2. Step 2: Convert to fraction form
    1,053,893.60/1,581,005.65 = 343,757.68/x
  3. Step 3: Cross multiply
    1,053,893.60x = 1,581,005.65 × 343,757.68
  4. Step 4: Simplify right side
    1,053,893.60x = 543,482,834,310.89
  5. Step 5: Solve for x
    x = 543,482,834,310.89/1,053,893.60
  6. Step 6: Final answer
    x = 515,690.42

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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.