Home / 691,185.76-1,036,623.12-247,953.76

Finding the Fourth Proportional to 691,185.76, 1,036,623.12 and 247,953.76

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Solution

The fourth proportional to 691,185.76, 1,036,623.12 and 247,953.76 is: 371,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,185.76 : 1,036,623.12 = 247,953.76 : x
  2. Step 2: Convert to fraction form
    691,185.76/1,036,623.12 = 247,953.76/x
  3. Step 3: Cross multiply
    691,185.76x = 1,036,623.12 × 247,953.76
  4. Step 4: Simplify right side
    691,185.76x = 257,034,600,306.93
  5. Step 5: Solve for x
    x = 257,034,600,306.93/691,185.76
  6. Step 6: Final answer
    x = 371,874.85

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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.