Home / 855,849.65-1,283,588.57-256,649.92

Finding the Fourth Proportional to 855,849.65, 1,283,588.57 and 256,649.92

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Solution

The fourth proportional to 855,849.65, 1,283,588.57 and 256,649.92 is: 384,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,849.65 : 1,283,588.57 = 256,649.92 : x
  2. Step 2: Convert to fraction form
    855,849.65/1,283,588.57 = 256,649.92/x
  3. Step 3: Cross multiply
    855,849.65x = 1,283,588.57 × 256,649.92
  4. Step 4: Simplify right side
    855,849.65x = 329,432,901,236.07
  5. Step 5: Solve for x
    x = 329,432,901,236.07/855,849.65
  6. Step 6: Final answer
    x = 384,919.13

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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.