Home / 827,034.80-1,141,171.52-487,568.64

Finding the Fourth Proportional to 827,034.80, 1,141,171.52 and 487,568.64

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Solution

The fourth proportional to 827,034.80, 1,141,171.52 and 487,568.64 is: 672,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,034.80 : 1,141,171.52 = 487,568.64 : x
  2. Step 2: Convert to fraction form
    827,034.80/1,141,171.52 = 487,568.64/x
  3. Step 3: Cross multiply
    827,034.80x = 1,141,171.52 × 487,568.64
  4. Step 4: Simplify right side
    827,034.80x = 556,399,446,013.13
  5. Step 5: Solve for x
    x = 556,399,446,013.13/827,034.80
  6. Step 6: Final answer
    x = 672,764.25

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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.