Home / 1,036,912.92-1,555,221.40-326,848.56

Finding the Fourth Proportional to 1,036,912.92, 1,555,221.40 and 326,848.56

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Solution

The fourth proportional to 1,036,912.92, 1,555,221.40 and 326,848.56 is: 490,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,912.92 : 1,555,221.40 = 326,848.56 : x
  2. Step 2: Convert to fraction form
    1,036,912.92/1,555,221.40 = 326,848.56/x
  3. Step 3: Cross multiply
    1,036,912.92x = 1,555,221.40 × 326,848.56
  4. Step 4: Simplify right side
    1,036,912.92x = 508,321,875,071.18
  5. Step 5: Solve for x
    x = 508,321,875,071.18/1,036,912.92
  6. Step 6: Final answer
    x = 490,226.19

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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.