Home / 916,204.68-1,373,642.55-615,940.38

Finding the Fourth Proportional to 916,204.68, 1,373,642.55 and 615,940.38

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Solution

The fourth proportional to 916,204.68, 1,373,642.55 and 615,940.38 is: 923,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,204.68 : 1,373,642.55 = 615,940.38 : x
  2. Step 2: Convert to fraction form
    916,204.68/1,373,642.55 = 615,940.38/x
  3. Step 3: Cross multiply
    916,204.68x = 1,373,642.55 × 615,940.38
  4. Step 4: Simplify right side
    916,204.68x = 846,081,914,231.17
  5. Step 5: Solve for x
    x = 846,081,914,231.17/916,204.68
  6. Step 6: Final answer
    x = 923,463.86

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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.