Home / 865,011.25-1,297,552.20-296,783.08

Finding the Fourth Proportional to 865,011.25, 1,297,552.20 and 296,783.08

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Solution

The fourth proportional to 865,011.25, 1,297,552.20 and 296,783.08 is: 445,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,011.25 : 1,297,552.20 = 296,783.08 : x
  2. Step 2: Convert to fraction form
    865,011.25/1,297,552.20 = 296,783.08/x
  3. Step 3: Cross multiply
    865,011.25x = 1,297,552.20 × 296,783.08
  4. Step 4: Simplify right side
    865,011.25x = 385,091,538,376.78
  5. Step 5: Solve for x
    x = 385,091,538,376.78/865,011.25
  6. Step 6: Final answer
    x = 445,186.74

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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.