Home / 723,680.58-998,025.38-451,773.60

Finding the Fourth Proportional to 723,680.58, 998,025.38 and 451,773.60

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Solution

The fourth proportional to 723,680.58, 998,025.38 and 451,773.60 is: 623,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,680.58 : 998,025.38 = 451,773.60 : x
  2. Step 2: Convert to fraction form
    723,680.58/998,025.38 = 451,773.60/x
  3. Step 3: Cross multiply
    723,680.58x = 998,025.38 × 451,773.60
  4. Step 4: Simplify right side
    723,680.58x = 450,881,518,849.94
  5. Step 5: Solve for x
    x = 450,881,518,849.94/723,680.58
  6. Step 6: Final answer
    x = 623,039.41

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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.