Home / 921,917.92-1,382,760.24-361,346.08

Finding the Fourth Proportional to 921,917.92, 1,382,760.24 and 361,346.08

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Solution

The fourth proportional to 921,917.92, 1,382,760.24 and 361,346.08 is: 541,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,917.92 : 1,382,760.24 = 361,346.08 : x
  2. Step 2: Convert to fraction form
    921,917.92/1,382,760.24 = 361,346.08/x
  3. Step 3: Cross multiply
    921,917.92x = 1,382,760.24 × 361,346.08
  4. Step 4: Simplify right side
    921,917.92x = 499,654,992,303.86
  5. Step 5: Solve for x
    x = 499,654,992,303.86/921,917.92
  6. Step 6: Final answer
    x = 541,973.40

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1.5x scale

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.