Home / 498,237.68-687,388.32-383,551.44

Finding the Fourth Proportional to 498,237.68, 687,388.32 and 383,551.44

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Solution

The fourth proportional to 498,237.68, 687,388.32 and 383,551.44 is: 529,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,237.68 : 687,388.32 = 383,551.44 : x
  2. Step 2: Convert to fraction form
    498,237.68/687,388.32 = 383,551.44/x
  3. Step 3: Cross multiply
    498,237.68x = 687,388.32 × 383,551.44
  4. Step 4: Simplify right side
    498,237.68x = 263,648,779,975.18
  5. Step 5: Solve for x
    x = 263,648,779,975.18/498,237.68
  6. Step 6: Final answer
    x = 529,162.67

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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.