Home / 855,973.68-1,284,174-256,945.92

Finding the Fourth Proportional to 855,973.68, 1,284,174 and 256,945.92

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Solution

The fourth proportional to 855,973.68, 1,284,174 and 256,945.92 is: 385,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,973.68 : 1,284,174 = 256,945.92 : x
  2. Step 2: Convert to fraction form
    855,973.68/1,284,174 = 256,945.92/x
  3. Step 3: Cross multiply
    855,973.68x = 1,284,174 × 256,945.92
  4. Step 4: Simplify right side
    855,973.68x = 329,963,269,870.08
  5. Step 5: Solve for x
    x = 329,963,269,870.08/855,973.68
  6. Step 6: Final answer
    x = 385,482.96

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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.