Home / 816,216.50-1,223,623.54-283,668.34

Finding the Fourth Proportional to 816,216.50, 1,223,623.54 and 283,668.34

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Solution

The fourth proportional to 816,216.50, 1,223,623.54 and 283,668.34 is: 425,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,216.50 : 1,223,623.54 = 283,668.34 : x
  2. Step 2: Convert to fraction form
    816,216.50/1,223,623.54 = 283,668.34/x
  3. Step 3: Cross multiply
    816,216.50x = 1,223,623.54 × 283,668.34
  4. Step 4: Simplify right side
    816,216.50x = 347,103,258,376.72
  5. Step 5: Solve for x
    x = 347,103,258,376.72/816,216.50
  6. Step 6: Final answer
    x = 425,258.81

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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.