Home / 834,020.20-1,150,935.40-471,431.31

Finding the Fourth Proportional to 834,020.20, 1,150,935.40 and 471,431.31

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Solution

The fourth proportional to 834,020.20, 1,150,935.40 and 471,431.31 is: 650,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,020.20 : 1,150,935.40 = 471,431.31 : x
  2. Step 2: Convert to fraction form
    834,020.20/1,150,935.40 = 471,431.31/x
  3. Step 3: Cross multiply
    834,020.20x = 1,150,935.40 × 471,431.31
  4. Step 4: Simplify right side
    834,020.20x = 542,586,990,657.57
  5. Step 5: Solve for x
    x = 542,586,990,657.57/834,020.20
  6. Step 6: Final answer
    x = 650,568.17

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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.