Home / 868,588.32-1,198,555.08-505,936.32

Finding the Fourth Proportional to 868,588.32, 1,198,555.08 and 505,936.32

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Solution

The fourth proportional to 868,588.32, 1,198,555.08 and 505,936.32 is: 698,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,588.32 : 1,198,555.08 = 505,936.32 : x
  2. Step 2: Convert to fraction form
    868,588.32/1,198,555.08 = 505,936.32/x
  3. Step 3: Cross multiply
    868,588.32x = 1,198,555.08 × 505,936.32
  4. Step 4: Simplify right side
    868,588.32x = 606,392,546,492.51
  5. Step 5: Solve for x
    x = 606,392,546,492.51/868,588.32
  6. Step 6: Final answer
    x = 698,135.74

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Double scale
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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.