Home / 827,189.60-1,141,514.56-464,619.04

Finding the Fourth Proportional to 827,189.60, 1,141,514.56 and 464,619.04

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Solution

The fourth proportional to 827,189.60, 1,141,514.56 and 464,619.04 is: 641,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,189.60 : 1,141,514.56 = 464,619.04 : x
  2. Step 2: Convert to fraction form
    827,189.60/1,141,514.56 = 464,619.04/x
  3. Step 3: Cross multiply
    827,189.60x = 1,141,514.56 × 464,619.04
  4. Step 4: Simplify right side
    827,189.60x = 530,369,399,013.22
  5. Step 5: Solve for x
    x = 530,369,399,013.22/827,189.60
  6. Step 6: Final answer
    x = 641,170.29

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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.