Home / 863,490.24-1,191,621.74-481,541.20

Finding the Fourth Proportional to 863,490.24, 1,191,621.74 and 481,541.20

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Solution

The fourth proportional to 863,490.24, 1,191,621.74 and 481,541.20 is: 664,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,490.24 : 1,191,621.74 = 481,541.20 : x
  2. Step 2: Convert to fraction form
    863,490.24/1,191,621.74 = 481,541.20/x
  3. Step 3: Cross multiply
    863,490.24x = 1,191,621.74 × 481,541.20
  4. Step 4: Simplify right side
    863,490.24x = 573,814,962,625.69
  5. Step 5: Solve for x
    x = 573,814,962,625.69/863,490.24
  6. Step 6: Final answer
    x = 664,529.76

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Double scale
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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.