Home / 939,713.94-1,296,805.91-509,993.91

Finding the Fourth Proportional to 939,713.94, 1,296,805.91 and 509,993.91

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Solution

The fourth proportional to 939,713.94, 1,296,805.91 and 509,993.91 is: 703,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,713.94 : 1,296,805.91 = 509,993.91 : x
  2. Step 2: Convert to fraction form
    939,713.94/1,296,805.91 = 509,993.91/x
  3. Step 3: Cross multiply
    939,713.94x = 1,296,805.91 × 509,993.91
  4. Step 4: Simplify right side
    939,713.94x = 661,363,114,002.04
  5. Step 5: Solve for x
    x = 661,363,114,002.04/939,713.94
  6. Step 6: Final answer
    x = 703,791.96

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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.