Home / 772,158.48-1,065,589.20-432,619.44

Finding the Fourth Proportional to 772,158.48, 1,065,589.20 and 432,619.44

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Solution

The fourth proportional to 772,158.48, 1,065,589.20 and 432,619.44 is: 597,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,158.48 : 1,065,589.20 = 432,619.44 : x
  2. Step 2: Convert to fraction form
    772,158.48/1,065,589.20 = 432,619.44/x
  3. Step 3: Cross multiply
    772,158.48x = 1,065,589.20 × 432,619.44
  4. Step 4: Simplify right side
    772,158.48x = 460,994,602,974.05
  5. Step 5: Solve for x
    x = 460,994,602,974.05/772,158.48
  6. Step 6: Final answer
    x = 597,020.71

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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.