Home / 863,448.16-1,191,471.60-481,439.20

Finding the Fourth Proportional to 863,448.16, 1,191,471.60 and 481,439.20

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Solution

The fourth proportional to 863,448.16, 1,191,471.60 and 481,439.20 is: 664,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,448.16 : 1,191,471.60 = 481,439.20 : x
  2. Step 2: Convert to fraction form
    863,448.16/1,191,471.60 = 481,439.20/x
  3. Step 3: Cross multiply
    863,448.16x = 1,191,471.60 × 481,439.20
  4. Step 4: Simplify right side
    863,448.16x = 573,621,133,926.72
  5. Step 5: Solve for x
    x = 573,621,133,926.72/863,448.16
  6. Step 6: Final answer
    x = 664,337.66

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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.