Home / 866,211.69-1,195,379.70-479,006.97

Finding the Fourth Proportional to 866,211.69, 1,195,379.70 and 479,006.97

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Solution

The fourth proportional to 866,211.69, 1,195,379.70 and 479,006.97 is: 661,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,211.69 : 1,195,379.70 = 479,006.97 : x
  2. Step 2: Convert to fraction form
    866,211.69/1,195,379.70 = 479,006.97/x
  3. Step 3: Cross multiply
    866,211.69x = 1,195,379.70 × 479,006.97
  4. Step 4: Simplify right side
    866,211.69x = 572,595,208,096.51
  5. Step 5: Solve for x
    x = 572,595,208,096.51/866,211.69
  6. Step 6: Final answer
    x = 661,033.80

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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.