Home / 481,343.43-664,228.65-263,510.40

Finding the Fourth Proportional to 481,343.43, 664,228.65 and 263,510.40

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Solution

The fourth proportional to 481,343.43, 664,228.65 and 263,510.40 is: 363,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,343.43 : 664,228.65 = 263,510.40 : x
  2. Step 2: Convert to fraction form
    481,343.43/664,228.65 = 263,510.40/x
  3. Step 3: Cross multiply
    481,343.43x = 664,228.65 × 263,510.40
  4. Step 4: Simplify right side
    481,343.43x = 175,031,157,252.96
  5. Step 5: Solve for x
    x = 175,031,157,252.96/481,343.43
  6. Step 6: Final answer
    x = 363,630.51

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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.