Home / 403,640.32-556,999.20-233,845.12

Finding the Fourth Proportional to 403,640.32, 556,999.20 and 233,845.12

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Solution

The fourth proportional to 403,640.32, 556,999.20 and 233,845.12 is: 322,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,640.32 : 556,999.20 = 233,845.12 : x
  2. Step 2: Convert to fraction form
    403,640.32/556,999.20 = 233,845.12/x
  3. Step 3: Cross multiply
    403,640.32x = 556,999.20 × 233,845.12
  4. Step 4: Simplify right side
    403,640.32x = 130,251,544,763.90
  5. Step 5: Solve for x
    x = 130,251,544,763.90/403,640.32
  6. Step 6: Final answer
    x = 322,692.11

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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.