Home / 610,741.32-842,825.16-338,814.60

Finding the Fourth Proportional to 610,741.32, 842,825.16 and 338,814.60

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Solution

The fourth proportional to 610,741.32, 842,825.16 and 338,814.60 is: 467,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,741.32 : 842,825.16 = 338,814.60 : x
  2. Step 2: Convert to fraction form
    610,741.32/842,825.16 = 338,814.60/x
  3. Step 3: Cross multiply
    610,741.32x = 842,825.16 × 338,814.60
  4. Step 4: Simplify right side
    610,741.32x = 285,561,469,455.34
  5. Step 5: Solve for x
    x = 285,561,469,455.34/610,741.32
  6. Step 6: Final answer
    x = 467,565.33

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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.