Home / 761,764.24-1,051,217.64-422,229.52

Finding the Fourth Proportional to 761,764.24, 1,051,217.64 and 422,229.52

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Solution

The fourth proportional to 761,764.24, 1,051,217.64 and 422,229.52 is: 582,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,764.24 : 1,051,217.64 = 422,229.52 : x
  2. Step 2: Convert to fraction form
    761,764.24/1,051,217.64 = 422,229.52/x
  3. Step 3: Cross multiply
    761,764.24x = 1,051,217.64 × 422,229.52
  4. Step 4: Simplify right side
    761,764.24x = 443,855,119,552.73
  5. Step 5: Solve for x
    x = 443,855,119,552.73/761,764.24
  6. Step 6: Final answer
    x = 582,667.31

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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.