Home / 692,863.19-956,141.09-386,936.33

Finding the Fourth Proportional to 692,863.19, 956,141.09 and 386,936.33

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Solution

The fourth proportional to 692,863.19, 956,141.09 and 386,936.33 is: 533,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,863.19 : 956,141.09 = 386,936.33 : x
  2. Step 2: Convert to fraction form
    692,863.19/956,141.09 = 386,936.33/x
  3. Step 3: Cross multiply
    692,863.19x = 956,141.09 × 386,936.33
  4. Step 4: Simplify right side
    692,863.19x = 369,965,720,513.44
  5. Step 5: Solve for x
    x = 369,965,720,513.44/692,863.19
  6. Step 6: Final answer
    x = 533,966.49

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Similar ratio
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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.