Home / 1,054,563.20-1,581,918.58-423,477

Finding the Fourth Proportional to 1,054,563.20, 1,581,918.58 and 423,477

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Solution

The fourth proportional to 1,054,563.20, 1,581,918.58 and 423,477 is: 635,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,563.20 : 1,581,918.58 = 423,477 : x
  2. Step 2: Convert to fraction form
    1,054,563.20/1,581,918.58 = 423,477/x
  3. Step 3: Cross multiply
    1,054,563.20x = 1,581,918.58 × 423,477
  4. Step 4: Simplify right side
    1,054,563.20x = 669,906,134,502.66
  5. Step 5: Solve for x
    x = 669,906,134,502.66/1,054,563.20
  6. Step 6: Final answer
    x = 635,245.13

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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.