Home / 656,787.40-985,181.10-236,105.80

Finding the Fourth Proportional to 656,787.40, 985,181.10 and 236,105.80

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Solution

The fourth proportional to 656,787.40, 985,181.10 and 236,105.80 is: 354,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,787.40 : 985,181.10 = 236,105.80 : x
  2. Step 2: Convert to fraction form
    656,787.40/985,181.10 = 236,105.80/x
  3. Step 3: Cross multiply
    656,787.40x = 985,181.10 × 236,105.80
  4. Step 4: Simplify right side
    656,787.40x = 232,606,971,760.38
  5. Step 5: Solve for x
    x = 232,606,971,760.38/656,787.40
  6. Step 6: Final answer
    x = 354,158.70

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Double scale
Find fourth proportional to 656,788.40, 985,182.60 and 236,106.80
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.