Home / 939,824.78-1,296,923.42-510,095.69

Finding the Fourth Proportional to 939,824.78, 1,296,923.42 and 510,095.69

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Solution

The fourth proportional to 939,824.78, 1,296,923.42 and 510,095.69 is: 703,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,824.78 : 1,296,923.42 = 510,095.69 : x
  2. Step 2: Convert to fraction form
    939,824.78/1,296,923.42 = 510,095.69/x
  3. Step 3: Cross multiply
    939,824.78x = 1,296,923.42 × 510,095.69
  4. Step 4: Simplify right side
    939,824.78x = 661,555,040,317.44
  5. Step 5: Solve for x
    x = 661,555,040,317.44/939,824.78
  6. Step 6: Final answer
    x = 703,913.17

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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.