Home / 939,314.46-1,296,254.42-509,594.48

Finding the Fourth Proportional to 939,314.46, 1,296,254.42 and 509,594.48

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Solution

The fourth proportional to 939,314.46, 1,296,254.42 and 509,594.48 is: 703,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,314.46 : 1,296,254.42 = 509,594.48 : x
  2. Step 2: Convert to fraction form
    939,314.46/1,296,254.42 = 509,594.48/x
  3. Step 3: Cross multiply
    939,314.46x = 1,296,254.42 × 509,594.48
  4. Step 4: Simplify right side
    939,314.46x = 660,564,097,107.60
  5. Step 5: Solve for x
    x = 660,564,097,107.60/939,314.46
  6. Step 6: Final answer
    x = 703,240.63

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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.