Home / 1,129,328.23-1,693,992.30-330,609.77

Finding the Fourth Proportional to 1,129,328.23, 1,693,992.30 and 330,609.77

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Solution

The fourth proportional to 1,129,328.23, 1,693,992.30 and 330,609.77 is: 495,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,328.23 : 1,693,992.30 = 330,609.77 : x
  2. Step 2: Convert to fraction form
    1,129,328.23/1,693,992.30 = 330,609.77/x
  3. Step 3: Cross multiply
    1,129,328.23x = 1,693,992.30 × 330,609.77
  4. Step 4: Simplify right side
    1,129,328.23x = 560,050,405,365.67
  5. Step 5: Solve for x
    x = 560,050,405,365.67/1,129,328.23
  6. Step 6: Final answer
    x = 495,914.64

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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.