Home / 1,394,903.43-1,924,965.75-783,057.38

Finding the Fourth Proportional to 1,394,903.43, 1,924,965.75 and 783,057.38

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Solution

The fourth proportional to 1,394,903.43, 1,924,965.75 and 783,057.38 is: 1,080,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,903.43 : 1,924,965.75 = 783,057.38 : x
  2. Step 2: Convert to fraction form
    1,394,903.43/1,924,965.75 = 783,057.38/x
  3. Step 3: Cross multiply
    1,394,903.43x = 1,924,965.75 × 783,057.38
  4. Step 4: Simplify right side
    1,394,903.43x = 1,507,358,636,784.74
  5. Step 5: Solve for x
    x = 1,507,358,636,784.74/1,394,903.43
  6. Step 6: Final answer
    x = 1,080,618.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.