Home / 856,172.64-1,181,506.32-493,597.20

Finding the Fourth Proportional to 856,172.64, 1,181,506.32 and 493,597.20

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Solution

The fourth proportional to 856,172.64, 1,181,506.32 and 493,597.20 is: 681,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,172.64 : 1,181,506.32 = 493,597.20 : x
  2. Step 2: Convert to fraction form
    856,172.64/1,181,506.32 = 493,597.20/x
  3. Step 3: Cross multiply
    856,172.64x = 1,181,506.32 × 493,597.20
  4. Step 4: Simplify right side
    856,172.64x = 583,188,211,334.30
  5. Step 5: Solve for x
    x = 583,188,211,334.30/856,172.64
  6. Step 6: Final answer
    x = 681,157.26

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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.