Home / 445,948.17-615,367.44-264,628.86

Finding the Fourth Proportional to 445,948.17, 615,367.44 and 264,628.86

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Solution

The fourth proportional to 445,948.17, 615,367.44 and 264,628.86 is: 365,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,948.17 : 615,367.44 = 264,628.86 : x
  2. Step 2: Convert to fraction form
    445,948.17/615,367.44 = 264,628.86/x
  3. Step 3: Cross multiply
    445,948.17x = 615,367.44 × 264,628.86
  4. Step 4: Simplify right side
    445,948.17x = 162,843,984,128.32
  5. Step 5: Solve for x
    x = 162,843,984,128.32/445,948.17
  6. Step 6: Final answer
    x = 365,163.48

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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.