Home / 1,054,493.92-1,581,609.64-423,194.52

Finding the Fourth Proportional to 1,054,493.92, 1,581,609.64 and 423,194.52

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Solution

The fourth proportional to 1,054,493.92, 1,581,609.64 and 423,194.52 is: 634,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,493.92 : 1,581,609.64 = 423,194.52 : x
  2. Step 2: Convert to fraction form
    1,054,493.92/1,581,609.64 = 423,194.52/x
  3. Step 3: Cross multiply
    1,054,493.92x = 1,581,609.64 × 423,194.52
  4. Step 4: Simplify right side
    1,054,493.92x = 669,328,532,427.17
  5. Step 5: Solve for x
    x = 669,328,532,427.17/1,054,493.92
  6. Step 6: Final answer
    x = 634,739.11

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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.