Home / 775,533.66-1,070,236.46-453,514.31

Finding the Fourth Proportional to 775,533.66, 1,070,236.46 and 453,514.31

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Solution

The fourth proportional to 775,533.66, 1,070,236.46 and 453,514.31 is: 625,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,533.66 : 1,070,236.46 = 453,514.31 : x
  2. Step 2: Convert to fraction form
    775,533.66/1,070,236.46 = 453,514.31/x
  3. Step 3: Cross multiply
    775,533.66x = 1,070,236.46 × 453,514.31
  4. Step 4: Simplify right side
    775,533.66x = 485,367,549,489.73
  5. Step 5: Solve for x
    x = 485,367,549,489.73/775,533.66
  6. Step 6: Final answer
    x = 625,849.76

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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.