Home / 772,442.25-1,066,035.92-432,976.11

Finding the Fourth Proportional to 772,442.25, 1,066,035.92 and 432,976.11

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Solution

The fourth proportional to 772,442.25, 1,066,035.92 and 432,976.11 is: 597,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,442.25 : 1,066,035.92 = 432,976.11 : x
  2. Step 2: Convert to fraction form
    772,442.25/1,066,035.92 = 432,976.11/x
  3. Step 3: Cross multiply
    772,442.25x = 1,066,035.92 × 432,976.11
  4. Step 4: Simplify right side
    772,442.25x = 461,568,083,596.99
  5. Step 5: Solve for x
    x = 461,568,083,596.99/772,442.25
  6. Step 6: Final answer
    x = 597,543.81

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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.