Home / 855,584.22-1,284,637.95-477,244.15

Finding the Fourth Proportional to 855,584.22, 1,284,637.95 and 477,244.15

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Solution

The fourth proportional to 855,584.22, 1,284,637.95 and 477,244.15 is: 716,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,584.22 : 1,284,637.95 = 477,244.15 : x
  2. Step 2: Convert to fraction form
    855,584.22/1,284,637.95 = 477,244.15/x
  3. Step 3: Cross multiply
    855,584.22x = 1,284,637.95 × 477,244.15
  4. Step 4: Simplify right side
    855,584.22x = 613,085,946,505.49
  5. Step 5: Solve for x
    x = 613,085,946,505.49/855,584.22
  6. Step 6: Final answer
    x = 716,569.96

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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.