Home / 939,304.27-1,296,240.37-509,584.29

Finding the Fourth Proportional to 939,304.27, 1,296,240.37 and 509,584.29

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Solution

The fourth proportional to 939,304.27, 1,296,240.37 and 509,584.29 is: 703,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,304.27 : 1,296,240.37 = 509,584.29 : x
  2. Step 2: Convert to fraction form
    939,304.27/1,296,240.37 = 509,584.29/x
  3. Step 3: Cross multiply
    939,304.27x = 1,296,240.37 × 509,584.29
  4. Step 4: Simplify right side
    939,304.27x = 660,543,726,126.60
  5. Step 5: Solve for x
    x = 660,543,726,126.60/939,304.27
  6. Step 6: Final answer
    x = 703,226.57

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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.