Home / 445,905.64-615,309.06-264,586.36

Finding the Fourth Proportional to 445,905.64, 615,309.06 and 264,586.36

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Solution

The fourth proportional to 445,905.64, 615,309.06 and 264,586.36 is: 365,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,905.64 : 615,309.06 = 264,586.36 : x
  2. Step 2: Convert to fraction form
    445,905.64/615,309.06 = 264,586.36/x
  3. Step 3: Cross multiply
    445,905.64x = 615,309.06 × 264,586.36
  4. Step 4: Simplify right side
    445,905.64x = 162,802,384,460.42
  5. Step 5: Solve for x
    x = 162,802,384,460.42/445,905.64
  6. Step 6: Final answer
    x = 365,105.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.