Home / 1,292,592.03-1,939,178.77-394,124.59

Finding the Fourth Proportional to 1,292,592.03, 1,939,178.77 and 394,124.59

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Solution

The fourth proportional to 1,292,592.03, 1,939,178.77 and 394,124.59 is: 591,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,592.03 : 1,939,178.77 = 394,124.59 : x
  2. Step 2: Convert to fraction form
    1,292,592.03/1,939,178.77 = 394,124.59/x
  3. Step 3: Cross multiply
    1,292,592.03x = 1,939,178.77 × 394,124.59
  4. Step 4: Simplify right side
    1,292,592.03x = 764,278,026,981.75
  5. Step 5: Solve for x
    x = 764,278,026,981.75/1,292,592.03
  6. Step 6: Final answer
    x = 591,275.52

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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.