Home / 863,061.96-1,191,000.68-481,080.54

Finding the Fourth Proportional to 863,061.96, 1,191,000.68 and 481,080.54

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Solution

The fourth proportional to 863,061.96, 1,191,000.68 and 481,080.54 is: 663,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,061.96 : 1,191,000.68 = 481,080.54 : x
  2. Step 2: Convert to fraction form
    863,061.96/1,191,000.68 = 481,080.54/x
  3. Step 3: Cross multiply
    863,061.96x = 1,191,000.68 × 481,080.54
  4. Step 4: Simplify right side
    863,061.96x = 572,967,250,274.77
  5. Step 5: Solve for x
    x = 572,967,250,274.77/863,061.96
  6. Step 6: Final answer
    x = 663,877.31

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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.