Home / 856,926.86-1,285,394.86-257,883.92

Finding the Fourth Proportional to 856,926.86, 1,285,394.86 and 257,883.92

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Solution

The fourth proportional to 856,926.86, 1,285,394.86 and 257,883.92 is: 386,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,926.86 : 1,285,394.86 = 257,883.92 : x
  2. Step 2: Convert to fraction form
    856,926.86/1,285,394.86 = 257,883.92/x
  3. Step 3: Cross multiply
    856,926.86x = 1,285,394.86 × 257,883.92
  4. Step 4: Simplify right side
    856,926.86x = 331,482,665,244.65
  5. Step 5: Solve for x
    x = 331,482,665,244.65/856,926.86
  6. Step 6: Final answer
    x = 386,827.26

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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.