Home / 883,979.44-1,219,859.12-540,390.88

Finding the Fourth Proportional to 883,979.44, 1,219,859.12 and 540,390.88

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Solution

The fourth proportional to 883,979.44, 1,219,859.12 and 540,390.88 is: 745,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,979.44 : 1,219,859.12 = 540,390.88 : x
  2. Step 2: Convert to fraction form
    883,979.44/1,219,859.12 = 540,390.88/x
  3. Step 3: Cross multiply
    883,979.44x = 1,219,859.12 × 540,390.88
  4. Step 4: Simplify right side
    883,979.44x = 659,200,743,332.83
  5. Step 5: Solve for x
    x = 659,200,743,332.83/883,979.44
  6. Step 6: Final answer
    x = 745,719.54

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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.