Home / 386,309.64-533,218.41-233,323.53

Finding the Fourth Proportional to 386,309.64, 533,218.41 and 233,323.53

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Solution

The fourth proportional to 386,309.64, 533,218.41 and 233,323.53 is: 322,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,309.64 : 533,218.41 = 233,323.53 : x
  2. Step 2: Convert to fraction form
    386,309.64/533,218.41 = 233,323.53/x
  3. Step 3: Cross multiply
    386,309.64x = 533,218.41 × 233,323.53
  4. Step 4: Simplify right side
    386,309.64x = 124,412,401,682.19
  5. Step 5: Solve for x
    x = 124,412,401,682.19/386,309.64
  6. Step 6: Final answer
    x = 322,053.58

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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.