Home / 1,297,428.39-1,945,310.99-539,795.43

Finding the Fourth Proportional to 1,297,428.39, 1,945,310.99 and 539,795.43

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Solution

The fourth proportional to 1,297,428.39, 1,945,310.99 and 539,795.43 is: 809,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,428.39 : 1,945,310.99 = 539,795.43 : x
  2. Step 2: Convert to fraction form
    1,297,428.39/1,945,310.99 = 539,795.43/x
  3. Step 3: Cross multiply
    1,297,428.39x = 1,945,310.99 × 539,795.43
  4. Step 4: Simplify right side
    1,297,428.39x = 1,050,069,979,631.80
  5. Step 5: Solve for x
    x = 1,050,069,979,631.80/1,297,428.39
  6. Step 6: Final answer
    x = 809,347.16

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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.