Home / 939,305.27-1,296,241.75-509,585.29

Finding the Fourth Proportional to 939,305.27, 1,296,241.75 and 509,585.29

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Solution

The fourth proportional to 939,305.27, 1,296,241.75 and 509,585.29 is: 703,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,305.27 : 1,296,241.75 = 509,585.29 : x
  2. Step 2: Convert to fraction form
    939,305.27/1,296,241.75 = 509,585.29/x
  3. Step 3: Cross multiply
    939,305.27x = 1,296,241.75 × 509,585.29
  4. Step 4: Simplify right side
    939,305.27x = 660,545,728,083.86
  5. Step 5: Solve for x
    x = 660,545,728,083.86/939,305.27
  6. Step 6: Final answer
    x = 703,227.96

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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.