Home / 334,429.21-461,895.58-220,218.40

Finding the Fourth Proportional to 334,429.21, 461,895.58 and 220,218.40

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Solution

The fourth proportional to 334,429.21, 461,895.58 and 220,218.40 is: 304,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,429.21 : 461,895.58 = 220,218.40 : x
  2. Step 2: Convert to fraction form
    334,429.21/461,895.58 = 220,218.40/x
  3. Step 3: Cross multiply
    334,429.21x = 461,895.58 × 220,218.40
  4. Step 4: Simplify right side
    334,429.21x = 101,717,906,447.31
  5. Step 5: Solve for x
    x = 101,717,906,447.31/334,429.21
  6. Step 6: Final answer
    x = 304,153.77

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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.