Home / 993,629.04-1,489,446.96-461,523.78

Finding the Fourth Proportional to 993,629.04, 1,489,446.96 and 461,523.78

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Solution

The fourth proportional to 993,629.04, 1,489,446.96 and 461,523.78 is: 691,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,629.04 : 1,489,446.96 = 461,523.78 : x
  2. Step 2: Convert to fraction form
    993,629.04/1,489,446.96 = 461,523.78/x
  3. Step 3: Cross multiply
    993,629.04x = 1,489,446.96 × 461,523.78
  4. Step 4: Simplify right side
    993,629.04x = 687,415,191,088.71
  5. Step 5: Solve for x
    x = 687,415,191,088.71/993,629.04
  6. Step 6: Final answer
    x = 691,822.77

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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.