Home / 814,743.14-1,123,834.11-483,364.46

Finding the Fourth Proportional to 814,743.14, 1,123,834.11 and 483,364.46

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Solution

The fourth proportional to 814,743.14, 1,123,834.11 and 483,364.46 is: 666,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,743.14 : 1,123,834.11 = 483,364.46 : x
  2. Step 2: Convert to fraction form
    814,743.14/1,123,834.11 = 483,364.46/x
  3. Step 3: Cross multiply
    814,743.14x = 1,123,834.11 × 483,364.46
  4. Step 4: Simplify right side
    814,743.14x = 543,221,470,519.32
  5. Step 5: Solve for x
    x = 543,221,470,519.32/814,743.14
  6. Step 6: Final answer
    x = 666,739.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.