Home / 1,394,505.34-1,924,336.47-782,600.95

Finding the Fourth Proportional to 1,394,505.34, 1,924,336.47 and 782,600.95

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Solution

The fourth proportional to 1,394,505.34, 1,924,336.47 and 782,600.95 is: 1,079,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,505.34 : 1,924,336.47 = 782,600.95 : x
  2. Step 2: Convert to fraction form
    1,394,505.34/1,924,336.47 = 782,600.95/x
  3. Step 3: Cross multiply
    1,394,505.34x = 1,924,336.47 × 782,600.95
  4. Step 4: Simplify right side
    1,394,505.34x = 1,505,987,549,541.65
  5. Step 5: Solve for x
    x = 1,505,987,549,541.65/1,394,505.34
  6. Step 6: Final answer
    x = 1,079,943.91

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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.