Home / 910,198.26-1,256,068.26-528,216.84

Finding the Fourth Proportional to 910,198.26, 1,256,068.26 and 528,216.84

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Solution

The fourth proportional to 910,198.26, 1,256,068.26 and 528,216.84 is: 728,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,198.26 : 1,256,068.26 = 528,216.84 : x
  2. Step 2: Convert to fraction form
    910,198.26/1,256,068.26 = 528,216.84/x
  3. Step 3: Cross multiply
    910,198.26x = 1,256,068.26 × 528,216.84
  4. Step 4: Simplify right side
    910,198.26x = 663,476,407,121.50
  5. Step 5: Solve for x
    x = 663,476,407,121.50/910,198.26
  6. Step 6: Final answer
    x = 728,936.14

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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.