Home / 769,673.13-1,062,181.72-430,141.38

Finding the Fourth Proportional to 769,673.13, 1,062,181.72 and 430,141.38

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Solution

The fourth proportional to 769,673.13, 1,062,181.72 and 430,141.38 is: 593,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,673.13 : 1,062,181.72 = 430,141.38 : x
  2. Step 2: Convert to fraction form
    769,673.13/1,062,181.72 = 430,141.38/x
  3. Step 3: Cross multiply
    769,673.13x = 1,062,181.72 × 430,141.38
  4. Step 4: Simplify right side
    769,673.13x = 456,888,310,851.57
  5. Step 5: Solve for x
    x = 456,888,310,851.57/769,673.13
  6. Step 6: Final answer
    x = 593,613.44

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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.