Home / 866,678.58-1,196,005.83-479,522.17

Finding the Fourth Proportional to 866,678.58, 1,196,005.83 and 479,522.17

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Solution

The fourth proportional to 866,678.58, 1,196,005.83 and 479,522.17 is: 661,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,678.58 : 1,196,005.83 = 479,522.17 : x
  2. Step 2: Convert to fraction form
    866,678.58/1,196,005.83 = 479,522.17/x
  3. Step 3: Cross multiply
    866,678.58x = 1,196,005.83 × 479,522.17
  4. Step 4: Simplify right side
    866,678.58x = 573,511,310,934.25
  5. Step 5: Solve for x
    x = 573,511,310,934.25/866,678.58
  6. Step 6: Final answer
    x = 661,734.72

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Double scale
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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.