Home / 686,922.27-948,066.21-381,097.18

Finding the Fourth Proportional to 686,922.27, 948,066.21 and 381,097.18

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Solution

The fourth proportional to 686,922.27, 948,066.21 and 381,097.18 is: 525,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,922.27 : 948,066.21 = 381,097.18 : x
  2. Step 2: Convert to fraction form
    686,922.27/948,066.21 = 381,097.18/x
  3. Step 3: Cross multiply
    686,922.27x = 948,066.21 × 381,097.18
  4. Step 4: Simplify right side
    686,922.27x = 361,305,359,084.29
  5. Step 5: Solve for x
    x = 361,305,359,084.29/686,922.27
  6. Step 6: Final answer
    x = 525,977.06

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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.