Home / 769,671.27-1,062,147.96-430,139.52

Finding the Fourth Proportional to 769,671.27, 1,062,147.96 and 430,139.52

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Solution

The fourth proportional to 769,671.27, 1,062,147.96 and 430,139.52 is: 593,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,671.27 : 1,062,147.96 = 430,139.52 : x
  2. Step 2: Convert to fraction form
    769,671.27/1,062,147.96 = 430,139.52/x
  3. Step 3: Cross multiply
    769,671.27x = 1,062,147.96 × 430,139.52
  4. Step 4: Simplify right side
    769,671.27x = 456,871,813,683.38
  5. Step 5: Solve for x
    x = 456,871,813,683.38/769,671.27
  6. Step 6: Final answer
    x = 593,593.44

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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.