Home / 939,324.16-1,296,269.80-509,604.29

Finding the Fourth Proportional to 939,324.16, 1,296,269.80 and 509,604.29

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Solution

The fourth proportional to 939,324.16, 1,296,269.80 and 509,604.29 is: 703,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,324.16 : 1,296,269.80 = 509,604.29 : x
  2. Step 2: Convert to fraction form
    939,324.16/1,296,269.80 = 509,604.29/x
  3. Step 3: Cross multiply
    939,324.16x = 1,296,269.80 × 509,604.29
  4. Step 4: Simplify right side
    939,324.16x = 660,584,651,077.44
  5. Step 5: Solve for x
    x = 660,584,651,077.44/939,324.16
  6. Step 6: Final answer
    x = 703,255.25

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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.