Home / 457,179.12-630,917.42-260,941.69

Finding the Fourth Proportional to 457,179.12, 630,917.42 and 260,941.69

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Solution

The fourth proportional to 457,179.12, 630,917.42 and 260,941.69 is: 360,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,179.12 : 630,917.42 = 260,941.69 : x
  2. Step 2: Convert to fraction form
    457,179.12/630,917.42 = 260,941.69/x
  3. Step 3: Cross multiply
    457,179.12x = 630,917.42 × 260,941.69
  4. Step 4: Simplify right side
    457,179.12x = 164,632,657,825.24
  5. Step 5: Solve for x
    x = 164,632,657,825.24/457,179.12
  6. Step 6: Final answer
    x = 360,105.37

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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.