Home / 691,091.22-953,379.81-404,433.84

Finding the Fourth Proportional to 691,091.22, 953,379.81 and 404,433.84

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Solution

The fourth proportional to 691,091.22, 953,379.81 and 404,433.84 is: 557,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,091.22 : 953,379.81 = 404,433.84 : x
  2. Step 2: Convert to fraction form
    691,091.22/953,379.81 = 404,433.84/x
  3. Step 3: Cross multiply
    691,091.22x = 953,379.81 × 404,433.84
  4. Step 4: Simplify right side
    691,091.22x = 385,579,057,536.77
  5. Step 5: Solve for x
    x = 385,579,057,536.77/691,091.22
  6. Step 6: Final answer
    x = 557,927.88

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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.