Home / 624,310.23-861,337.25-406,419.42

Finding the Fourth Proportional to 624,310.23, 861,337.25 and 406,419.42

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Solution

The fourth proportional to 624,310.23, 861,337.25 and 406,419.42 is: 560,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,310.23 : 861,337.25 = 406,419.42 : x
  2. Step 2: Convert to fraction form
    624,310.23/861,337.25 = 406,419.42/x
  3. Step 3: Cross multiply
    624,310.23x = 861,337.25 × 406,419.42
  4. Step 4: Simplify right side
    624,310.23x = 350,064,183,537.30
  5. Step 5: Solve for x
    x = 350,064,183,537.30/624,310.23
  6. Step 6: Final answer
    x = 560,721.52

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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.