Home / 916,217.28-1,374,455.52-285,194.88

Finding the Fourth Proportional to 916,217.28, 1,374,455.52 and 285,194.88

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Solution

The fourth proportional to 916,217.28, 1,374,455.52 and 285,194.88 is: 427,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,217.28 : 1,374,455.52 = 285,194.88 : x
  2. Step 2: Convert to fraction form
    916,217.28/1,374,455.52 = 285,194.88/x
  3. Step 3: Cross multiply
    916,217.28x = 1,374,455.52 × 285,194.88
  4. Step 4: Simplify right side
    916,217.28x = 391,987,677,091.74
  5. Step 5: Solve for x
    x = 391,987,677,091.74/916,217.28
  6. Step 6: Final answer
    x = 427,832.66

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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.