Home / 939,562.25-1,296,599.35-509,842.37

Finding the Fourth Proportional to 939,562.25, 1,296,599.35 and 509,842.37

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Solution

The fourth proportional to 939,562.25, 1,296,599.35 and 509,842.37 is: 703,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,562.25 : 1,296,599.35 = 509,842.37 : x
  2. Step 2: Convert to fraction form
    939,562.25/1,296,599.35 = 509,842.37/x
  3. Step 3: Cross multiply
    939,562.25x = 1,296,599.35 × 509,842.37
  4. Step 4: Simplify right side
    939,562.25x = 661,061,277,786.86
  5. Step 5: Solve for x
    x = 661,061,277,786.86/939,562.25
  6. Step 6: Final answer
    x = 703,584.33

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1.5x scale

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.