Home / 945,656.78-1,418,332.86-271,584.77

Finding the Fourth Proportional to 945,656.78, 1,418,332.86 and 271,584.77

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Solution

The fourth proportional to 945,656.78, 1,418,332.86 and 271,584.77 is: 407,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,656.78 : 1,418,332.86 = 271,584.77 : x
  2. Step 2: Convert to fraction form
    945,656.78/1,418,332.86 = 271,584.77/x
  3. Step 3: Cross multiply
    945,656.78x = 1,418,332.86 × 271,584.77
  4. Step 4: Simplify right side
    945,656.78x = 385,197,596,474.88
  5. Step 5: Solve for x
    x = 385,197,596,474.88/945,656.78
  6. Step 6: Final answer
    x = 407,333.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.