Home / 782,606.50-1,171,294.05-445,556.67

Finding the Fourth Proportional to 782,606.50, 1,171,294.05 and 445,556.67

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Solution

The fourth proportional to 782,606.50, 1,171,294.05 and 445,556.67 is: 666,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,606.50 : 1,171,294.05 = 445,556.67 : x
  2. Step 2: Convert to fraction form
    782,606.50/1,171,294.05 = 445,556.67/x
  3. Step 3: Cross multiply
    782,606.50x = 1,171,294.05 × 445,556.67
  4. Step 4: Simplify right side
    782,606.50x = 521,877,874,837.98
  5. Step 5: Solve for x
    x = 521,877,874,837.98/782,606.50
  6. Step 6: Final answer
    x = 666,845.82

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Double scale
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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.