Home / 416,345.28-623,572.04-325,823.85

Finding the Fourth Proportional to 416,345.28, 623,572.04 and 325,823.85

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Solution

The fourth proportional to 416,345.28, 623,572.04 and 325,823.85 is: 487,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,345.28 : 623,572.04 = 325,823.85 : x
  2. Step 2: Convert to fraction form
    416,345.28/623,572.04 = 325,823.85/x
  3. Step 3: Cross multiply
    416,345.28x = 623,572.04 × 325,823.85
  4. Step 4: Simplify right side
    416,345.28x = 203,174,642,825.15
  5. Step 5: Solve for x
    x = 203,174,642,825.15/416,345.28
  6. Step 6: Final answer
    x = 487,995.55

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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.