Home / 386,485.29-533,355.21-233,502.21

Finding the Fourth Proportional to 386,485.29, 533,355.21 and 233,502.21

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Solution

The fourth proportional to 386,485.29, 533,355.21 and 233,502.21 is: 322,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,485.29 : 533,355.21 = 233,502.21 : x
  2. Step 2: Convert to fraction form
    386,485.29/533,355.21 = 233,502.21/x
  3. Step 3: Cross multiply
    386,485.29x = 533,355.21 × 233,502.21
  4. Step 4: Simplify right side
    386,485.29x = 124,539,620,250.01
  5. Step 5: Solve for x
    x = 124,539,620,250.01/386,485.29
  6. Step 6: Final answer
    x = 322,236.38

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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.