Home / 769,545.44-1,154,365.74-257,256.67

Finding the Fourth Proportional to 769,545.44, 1,154,365.74 and 257,256.67

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Solution

The fourth proportional to 769,545.44, 1,154,365.74 and 257,256.67 is: 385,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,545.44 : 1,154,365.74 = 257,256.67 : x
  2. Step 2: Convert to fraction form
    769,545.44/1,154,365.74 = 257,256.67/x
  3. Step 3: Cross multiply
    769,545.44x = 1,154,365.74 × 257,256.67
  4. Step 4: Simplify right side
    769,545.44x = 296,968,286,234.49
  5. Step 5: Solve for x
    x = 296,968,286,234.49/769,545.44
  6. Step 6: Final answer
    x = 385,900.91

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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.