Home / 654,342.31-902,993.80-367,864.75

Finding the Fourth Proportional to 654,342.31, 902,993.80 and 367,864.75

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Solution

The fourth proportional to 654,342.31, 902,993.80 and 367,864.75 is: 507,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,342.31 : 902,993.80 = 367,864.75 : x
  2. Step 2: Convert to fraction form
    654,342.31/902,993.80 = 367,864.75/x
  3. Step 3: Cross multiply
    654,342.31x = 902,993.80 × 367,864.75
  4. Step 4: Simplify right side
    654,342.31x = 332,179,585,311.40
  5. Step 5: Solve for x
    x = 332,179,585,311.40/654,342.31
  6. Step 6: Final answer
    x = 507,654.15

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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.