Home / 625,945.23-863,795.88-339,459.57

Finding the Fourth Proportional to 625,945.23, 863,795.88 and 339,459.57

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Solution

The fourth proportional to 625,945.23, 863,795.88 and 339,459.57 is: 468,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,945.23 : 863,795.88 = 339,459.57 : x
  2. Step 2: Convert to fraction form
    625,945.23/863,795.88 = 339,459.57/x
  3. Step 3: Cross multiply
    625,945.23x = 863,795.88 × 339,459.57
  4. Step 4: Simplify right side
    625,945.23x = 293,223,777,992.57
  5. Step 5: Solve for x
    x = 293,223,777,992.57/625,945.23
  6. Step 6: Final answer
    x = 468,449.58

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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.