Home / 863,090.59-1,191,021.42-481,043.56

Finding the Fourth Proportional to 863,090.59, 1,191,021.42 and 481,043.56

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Solution

The fourth proportional to 863,090.59, 1,191,021.42 and 481,043.56 is: 663,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,090.59 : 1,191,021.42 = 481,043.56 : x
  2. Step 2: Convert to fraction form
    863,090.59/1,191,021.42 = 481,043.56/x
  3. Step 3: Cross multiply
    863,090.59x = 1,191,021.42 × 481,043.56
  4. Step 4: Simplify right side
    863,090.59x = 572,933,183,913.06
  5. Step 5: Solve for x
    x = 572,933,183,913.06/863,090.59
  6. Step 6: Final answer
    x = 663,815.82

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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.