Home / 855,895.82-1,284,056.96-256,868.01

Finding the Fourth Proportional to 855,895.82, 1,284,056.96 and 256,868.01

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Solution

The fourth proportional to 855,895.82, 1,284,056.96 and 256,868.01 is: 385,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,895.82 : 1,284,056.96 = 256,868.01 : x
  2. Step 2: Convert to fraction form
    855,895.82/1,284,056.96 = 256,868.01/x
  3. Step 3: Cross multiply
    855,895.82x = 1,284,056.96 × 256,868.01
  4. Step 4: Simplify right side
    855,895.82x = 329,833,154,757.51
  5. Step 5: Solve for x
    x = 329,833,154,757.51/855,895.82
  6. Step 6: Final answer
    x = 385,366.01

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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.