Home / 769,655.46-1,062,171.69-430,150.82

Finding the Fourth Proportional to 769,655.46, 1,062,171.69 and 430,150.82

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Solution

The fourth proportional to 769,655.46, 1,062,171.69 and 430,150.82 is: 593,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,655.46 : 1,062,171.69 = 430,150.82 : x
  2. Step 2: Convert to fraction form
    769,655.46/1,062,171.69 = 430,150.82/x
  3. Step 3: Cross multiply
    769,655.46x = 1,062,171.69 × 430,150.82
  4. Step 4: Simplify right side
    769,655.46x = 456,894,023,434.29
  5. Step 5: Solve for x
    x = 456,894,023,434.29/769,655.46
  6. Step 6: Final answer
    x = 593,634.49

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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.