Home / 814,316.40-1,222,252.20-696,121.20

Finding the Fourth Proportional to 814,316.40, 1,222,252.20 and 696,121.20

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Solution

The fourth proportional to 814,316.40, 1,222,252.20 and 696,121.20 is: 1,044,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,316.40 : 1,222,252.20 = 696,121.20 : x
  2. Step 2: Convert to fraction form
    814,316.40/1,222,252.20 = 696,121.20/x
  3. Step 3: Cross multiply
    814,316.40x = 1,222,252.20 × 696,121.20
  4. Step 4: Simplify right side
    814,316.40x = 850,835,668,166.64
  5. Step 5: Solve for x
    x = 850,835,668,166.64/814,316.40
  6. Step 6: Final answer
    x = 1,044,846.53

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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.