Home / 2,059,996.40-3,090,286.20-639,904.40

Finding the Fourth Proportional to 2,059,996.40, 3,090,286.20 and 639,904.40

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Solution

The fourth proportional to 2,059,996.40, 3,090,286.20 and 639,904.40 is: 959,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,996.40 : 3,090,286.20 = 639,904.40 : x
  2. Step 2: Convert to fraction form
    2,059,996.40/3,090,286.20 = 639,904.40/x
  3. Step 3: Cross multiply
    2,059,996.40x = 3,090,286.20 × 639,904.40
  4. Step 4: Simplify right side
    2,059,996.40x = 1,977,487,736,639.28
  5. Step 5: Solve for x
    x = 1,977,487,736,639.28/2,059,996.40
  6. Step 6: Final answer
    x = 959,947.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.