Home / 1,123,654.41-1,685,530.80-325,016.69

Finding the Fourth Proportional to 1,123,654.41, 1,685,530.80 and 325,016.69

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Solution

The fourth proportional to 1,123,654.41, 1,685,530.80 and 325,016.69 is: 487,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,654.41 : 1,685,530.80 = 325,016.69 : x
  2. Step 2: Convert to fraction form
    1,123,654.41/1,685,530.80 = 325,016.69/x
  3. Step 3: Cross multiply
    1,123,654.41x = 1,685,530.80 × 325,016.69
  4. Step 4: Simplify right side
    1,123,654.41x = 547,825,633,081.40
  5. Step 5: Solve for x
    x = 547,825,633,081.40/1,123,654.41
  6. Step 6: Final answer
    x = 487,539.25

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1.5x scale

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.