Home / 686,927.97-1,029,091.38-458,534.91

Finding the Fourth Proportional to 686,927.97, 1,029,091.38 and 458,534.91

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Solution

The fourth proportional to 686,927.97, 1,029,091.38 and 458,534.91 is: 686,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,927.97 : 1,029,091.38 = 458,534.91 : x
  2. Step 2: Convert to fraction form
    686,927.97/1,029,091.38 = 458,534.91/x
  3. Step 3: Cross multiply
    686,927.97x = 1,029,091.38 × 458,534.91
  4. Step 4: Simplify right side
    686,927.97x = 471,874,323,310.08
  5. Step 5: Solve for x
    x = 471,874,323,310.08/686,927.97
  6. Step 6: Final answer
    x = 686,934.21

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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.