Home / 484,521.54-667,946.82-340,835.64

Finding the Fourth Proportional to 484,521.54, 667,946.82 and 340,835.64

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Solution

The fourth proportional to 484,521.54, 667,946.82 and 340,835.64 is: 469,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,521.54 : 667,946.82 = 340,835.64 : x
  2. Step 2: Convert to fraction form
    484,521.54/667,946.82 = 340,835.64/x
  3. Step 3: Cross multiply
    484,521.54x = 667,946.82 × 340,835.64
  4. Step 4: Simplify right side
    484,521.54x = 227,660,081,880.67
  5. Step 5: Solve for x
    x = 227,660,081,880.67/484,521.54
  6. Step 6: Final answer
    x = 469,865.76

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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.