Home / 1,397,455.48-2,096,183.70-437,985.53

Finding the Fourth Proportional to 1,397,455.48, 2,096,183.70 and 437,985.53

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Solution

The fourth proportional to 1,397,455.48, 2,096,183.70 and 437,985.53 is: 656,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,455.48 : 2,096,183.70 = 437,985.53 : x
  2. Step 2: Convert to fraction form
    1,397,455.48/2,096,183.70 = 437,985.53/x
  3. Step 3: Cross multiply
    1,397,455.48x = 2,096,183.70 × 437,985.53
  4. Step 4: Simplify right side
    1,397,455.48x = 918,098,118,340.94
  5. Step 5: Solve for x
    x = 918,098,118,340.94/1,397,455.48
  6. Step 6: Final answer
    x = 656,978.44

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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.