Home / 865,466.40-1,297,039.18-673,572.54

Finding the Fourth Proportional to 865,466.40, 1,297,039.18 and 673,572.54

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Solution

The fourth proportional to 865,466.40, 1,297,039.18 and 673,572.54 is: 1,009,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,466.40 : 1,297,039.18 = 673,572.54 : x
  2. Step 2: Convert to fraction form
    865,466.40/1,297,039.18 = 673,572.54/x
  3. Step 3: Cross multiply
    865,466.40x = 1,297,039.18 × 673,572.54
  4. Step 4: Simplify right side
    865,466.40x = 873,649,965,099.06
  5. Step 5: Solve for x
    x = 873,649,965,099.06/865,466.40
  6. Step 6: Final answer
    x = 1,009,455.68

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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.