Home / 1,563,142.92-2,343,489.53-617,221.68

Finding the Fourth Proportional to 1,563,142.92, 2,343,489.53 and 617,221.68

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Solution

The fourth proportional to 1,563,142.92, 2,343,489.53 and 617,221.68 is: 925,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,142.92 : 2,343,489.53 = 617,221.68 : x
  2. Step 2: Convert to fraction form
    1,563,142.92/2,343,489.53 = 617,221.68/x
  3. Step 3: Cross multiply
    1,563,142.92x = 2,343,489.53 × 617,221.68
  4. Step 4: Simplify right side
    1,563,142.92x = 1,446,452,541,682.90
  5. Step 5: Solve for x
    x = 1,446,452,541,682.90/1,563,142.92
  6. Step 6: Final answer
    x = 925,348.87

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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.