Home / 786,234.60-1,178,768.70-336,587.40

Finding the Fourth Proportional to 786,234.60, 1,178,768.70 and 336,587.40

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Solution

The fourth proportional to 786,234.60, 1,178,768.70 and 336,587.40 is: 504,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,234.60 : 1,178,768.70 = 336,587.40 : x
  2. Step 2: Convert to fraction form
    786,234.60/1,178,768.70 = 336,587.40/x
  3. Step 3: Cross multiply
    786,234.60x = 1,178,768.70 × 336,587.40
  4. Step 4: Simplify right side
    786,234.60x = 396,758,691,934.38
  5. Step 5: Solve for x
    x = 396,758,691,934.38/786,234.60
  6. Step 6: Final answer
    x = 504,631.43

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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.