Home / 656,852.20-985,278.30-341,924.20

Finding the Fourth Proportional to 656,852.20, 985,278.30 and 341,924.20

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Solution

The fourth proportional to 656,852.20, 985,278.30 and 341,924.20 is: 512,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,852.20 : 985,278.30 = 341,924.20 : x
  2. Step 2: Convert to fraction form
    656,852.20/985,278.30 = 341,924.20/x
  3. Step 3: Cross multiply
    656,852.20x = 985,278.30 × 341,924.20
  4. Step 4: Simplify right side
    656,852.20x = 336,890,494,504.86
  5. Step 5: Solve for x
    x = 336,890,494,504.86/656,852.20
  6. Step 6: Final answer
    x = 512,886.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.