Home / 838,487.97-1,157,055.03-475,919.21

Finding the Fourth Proportional to 838,487.97, 1,157,055.03 and 475,919.21

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Solution

The fourth proportional to 838,487.97, 1,157,055.03 and 475,919.21 is: 656,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,487.97 : 1,157,055.03 = 475,919.21 : x
  2. Step 2: Convert to fraction form
    838,487.97/1,157,055.03 = 475,919.21/x
  3. Step 3: Cross multiply
    838,487.97x = 1,157,055.03 × 475,919.21
  4. Step 4: Simplify right side
    838,487.97x = 550,664,718,696.76
  5. Step 5: Solve for x
    x = 550,664,718,696.76/838,487.97
  6. Step 6: Final answer
    x = 656,735.38

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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.