Home / 1,330,709.90-1,993,112.40-1,094,513.90

Finding the Fourth Proportional to 1,330,709.90, 1,993,112.40 and 1,094,513.90

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Solution

The fourth proportional to 1,330,709.90, 1,993,112.40 and 1,094,513.90 is: 1,639,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,709.90 : 1,993,112.40 = 1,094,513.90 : x
  2. Step 2: Convert to fraction form
    1,330,709.90/1,993,112.40 = 1,094,513.90/x
  3. Step 3: Cross multiply
    1,330,709.90x = 1,993,112.40 × 1,094,513.90
  4. Step 4: Simplify right side
    1,330,709.90x = 2,181,489,226,062.36
  5. Step 5: Solve for x
    x = 2,181,489,226,062.36/1,330,709.90
  6. Step 6: Final answer
    x = 1,639,342.45

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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.