Home / 833,479.38-1,150,200.45-451,507.86

Finding the Fourth Proportional to 833,479.38, 1,150,200.45 and 451,507.86

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Solution

The fourth proportional to 833,479.38, 1,150,200.45 and 451,507.86 is: 623,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,479.38 : 1,150,200.45 = 451,507.86 : x
  2. Step 2: Convert to fraction form
    833,479.38/1,150,200.45 = 451,507.86/x
  3. Step 3: Cross multiply
    833,479.38x = 1,150,200.45 × 451,507.86
  4. Step 4: Simplify right side
    833,479.38x = 519,324,543,750.54
  5. Step 5: Solve for x
    x = 519,324,543,750.54/833,479.38
  6. Step 6: Final answer
    x = 623,080.25

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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.