Home / 457,091.76-630,577.28-295,998.70

Finding the Fourth Proportional to 457,091.76, 630,577.28 and 295,998.70

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Solution

The fourth proportional to 457,091.76, 630,577.28 and 295,998.70 is: 408,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,091.76 : 630,577.28 = 295,998.70 : x
  2. Step 2: Convert to fraction form
    457,091.76/630,577.28 = 295,998.70/x
  3. Step 3: Cross multiply
    457,091.76x = 630,577.28 × 295,998.70
  4. Step 4: Simplify right side
    457,091.76x = 186,650,055,129.54
  5. Step 5: Solve for x
    x = 186,650,055,129.54/457,091.76
  6. Step 6: Final answer
    x = 408,342.64

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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.