Home / 855,584.07-1,284,637.71-477,244.01

Finding the Fourth Proportional to 855,584.07, 1,284,637.71 and 477,244.01

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Solution

The fourth proportional to 855,584.07, 1,284,637.71 and 477,244.01 is: 716,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,584.07 : 1,284,637.71 = 477,244.01 : x
  2. Step 2: Convert to fraction form
    855,584.07/1,284,637.71 = 477,244.01/x
  3. Step 3: Cross multiply
    855,584.07x = 1,284,637.71 × 477,244.01
  4. Step 4: Simplify right side
    855,584.07x = 613,085,645,694.43
  5. Step 5: Solve for x
    x = 613,085,645,694.43/855,584.07
  6. Step 6: Final answer
    x = 716,569.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.