Home / 785,561.25-1,084,120.97-591,626.91

Finding the Fourth Proportional to 785,561.25, 1,084,120.97 and 591,626.91

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Solution

The fourth proportional to 785,561.25, 1,084,120.97 and 591,626.91 is: 816,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,561.25 : 1,084,120.97 = 591,626.91 : x
  2. Step 2: Convert to fraction form
    785,561.25/1,084,120.97 = 591,626.91/x
  3. Step 3: Cross multiply
    785,561.25x = 1,084,120.97 × 591,626.91
  4. Step 4: Simplify right side
    785,561.25x = 641,395,139,547.30
  5. Step 5: Solve for x
    x = 641,395,139,547.30/785,561.25
  6. Step 6: Final answer
    x = 816,480.11

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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.