Home / 855,231.66-1,283,219.55-536,114.88

Finding the Fourth Proportional to 855,231.66, 1,283,219.55 and 536,114.88

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Solution

The fourth proportional to 855,231.66, 1,283,219.55 and 536,114.88 is: 804,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,231.66 : 1,283,219.55 = 536,114.88 : x
  2. Step 2: Convert to fraction form
    855,231.66/1,283,219.55 = 536,114.88/x
  3. Step 3: Cross multiply
    855,231.66x = 1,283,219.55 × 536,114.88
  4. Step 4: Simplify right side
    855,231.66x = 687,953,095,061.90
  5. Step 5: Solve for x
    x = 687,953,095,061.90/855,231.66
  6. Step 6: Final answer
    x = 804,405.55

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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.