Home / 863,051.70-1,190,986.56-481,070.28

Finding the Fourth Proportional to 863,051.70, 1,190,986.56 and 481,070.28

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Solution

The fourth proportional to 863,051.70, 1,190,986.56 and 481,070.28 is: 663,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,051.70 : 1,190,986.56 = 481,070.28 : x
  2. Step 2: Convert to fraction form
    863,051.70/1,190,986.56 = 481,070.28/x
  3. Step 3: Cross multiply
    863,051.70x = 1,190,986.56 × 481,070.28
  4. Step 4: Simplify right side
    863,051.70x = 572,948,237,895.44
  5. Step 5: Solve for x
    x = 572,948,237,895.44/863,051.70
  6. Step 6: Final answer
    x = 663,863.17

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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.