Home / 693,286.27-956,647.13-406,701.79

Finding the Fourth Proportional to 693,286.27, 956,647.13 and 406,701.79

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Solution

The fourth proportional to 693,286.27, 956,647.13 and 406,701.79 is: 561,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,286.27 : 956,647.13 = 406,701.79 : x
  2. Step 2: Convert to fraction form
    693,286.27/956,647.13 = 406,701.79/x
  3. Step 3: Cross multiply
    693,286.27x = 956,647.13 × 406,701.79
  4. Step 4: Simplify right side
    693,286.27x = 389,070,100,169.36
  5. Step 5: Solve for x
    x = 389,070,100,169.36/693,286.27
  6. Step 6: Final answer
    x = 561,196.89

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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.