Home / 531,218.40-796,827.60-194,258.40

Finding the Fourth Proportional to 531,218.40, 796,827.60 and 194,258.40

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Solution

The fourth proportional to 531,218.40, 796,827.60 and 194,258.40 is: 291,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,218.40 : 796,827.60 = 194,258.40 : x
  2. Step 2: Convert to fraction form
    531,218.40/796,827.60 = 194,258.40/x
  3. Step 3: Cross multiply
    531,218.40x = 796,827.60 × 194,258.40
  4. Step 4: Simplify right side
    531,218.40x = 154,790,454,651.84
  5. Step 5: Solve for x
    x = 154,790,454,651.84/531,218.40
  6. Step 6: Final answer
    x = 291,387.60

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Double scale
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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.