Home / 761,585.60-1,051,029.96-422,046.56

Finding the Fourth Proportional to 761,585.60, 1,051,029.96 and 422,046.56

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Solution

The fourth proportional to 761,585.60, 1,051,029.96 and 422,046.56 is: 582,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,585.60 : 1,051,029.96 = 422,046.56 : x
  2. Step 2: Convert to fraction form
    761,585.60/1,051,029.96 = 422,046.56/x
  3. Step 3: Cross multiply
    761,585.60x = 1,051,029.96 × 422,046.56
  4. Step 4: Simplify right side
    761,585.60x = 443,583,579,074.94
  5. Step 5: Solve for x
    x = 443,583,579,074.94/761,585.60
  6. Step 6: Final answer
    x = 582,447.43

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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.