Home / 816,296.60-1,223,424.30-417,096.20

Finding the Fourth Proportional to 816,296.60, 1,223,424.30 and 417,096.20

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Solution

The fourth proportional to 816,296.60, 1,223,424.30 and 417,096.20 is: 625,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,296.60 : 1,223,424.30 = 417,096.20 : x
  2. Step 2: Convert to fraction form
    816,296.60/1,223,424.30 = 417,096.20/x
  3. Step 3: Cross multiply
    816,296.60x = 1,223,424.30 × 417,096.20
  4. Step 4: Simplify right side
    816,296.60x = 510,285,626,517.66
  5. Step 5: Solve for x
    x = 510,285,626,517.66/816,296.60
  6. Step 6: Final answer
    x = 625,122.81

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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.