Home / 546,149.88-753,712.38-304,434.18

Finding the Fourth Proportional to 546,149.88, 753,712.38 and 304,434.18

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Solution

The fourth proportional to 546,149.88, 753,712.38 and 304,434.18 is: 420,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,149.88 : 753,712.38 = 304,434.18 : x
  2. Step 2: Convert to fraction form
    546,149.88/753,712.38 = 304,434.18/x
  3. Step 3: Cross multiply
    546,149.88x = 753,712.38 × 304,434.18
  4. Step 4: Simplify right side
    546,149.88x = 229,455,810,361.15
  5. Step 5: Solve for x
    x = 229,455,810,361.15/546,149.88
  6. Step 6: Final answer
    x = 420,133.41

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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.