Home / 833,164.32-1,149,765.12-451,189.92

Finding the Fourth Proportional to 833,164.32, 1,149,765.12 and 451,189.92

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Solution

The fourth proportional to 833,164.32, 1,149,765.12 and 451,189.92 is: 622,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,164.32 : 1,149,765.12 = 451,189.92 : x
  2. Step 2: Convert to fraction form
    833,164.32/1,149,765.12 = 451,189.92/x
  3. Step 3: Cross multiply
    833,164.32x = 1,149,765.12 × 451,189.92
  4. Step 4: Simplify right side
    833,164.32x = 518,762,432,511.59
  5. Step 5: Solve for x
    x = 518,762,432,511.59/833,164.32
  6. Step 6: Final answer
    x = 622,641.20

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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.