Home / 1,054,558.20-1,581,911.08-423,472

Finding the Fourth Proportional to 1,054,558.20, 1,581,911.08 and 423,472

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Solution

The fourth proportional to 1,054,558.20, 1,581,911.08 and 423,472 is: 635,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,558.20 : 1,581,911.08 = 423,472 : x
  2. Step 2: Convert to fraction form
    1,054,558.20/1,581,911.08 = 423,472/x
  3. Step 3: Cross multiply
    1,054,558.20x = 1,581,911.08 × 423,472
  4. Step 4: Simplify right side
    1,054,558.20x = 669,895,048,869.76
  5. Step 5: Solve for x
    x = 669,895,048,869.76/1,054,558.20
  6. Step 6: Final answer
    x = 635,237.63

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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.