Home / 1,218,367.03-1,827,611.03-319,811.35

Finding the Fourth Proportional to 1,218,367.03, 1,827,611.03 and 319,811.35

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Solution

The fourth proportional to 1,218,367.03, 1,827,611.03 and 319,811.35 is: 479,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,367.03 : 1,827,611.03 = 319,811.35 : x
  2. Step 2: Convert to fraction form
    1,218,367.03/1,827,611.03 = 319,811.35/x
  3. Step 3: Cross multiply
    1,218,367.03x = 1,827,611.03 × 319,811.35
  4. Step 4: Simplify right side
    1,218,367.03x = 584,490,749,180.13
  5. Step 5: Solve for x
    x = 584,490,749,180.13/1,218,367.03
  6. Step 6: Final answer
    x = 479,732.90

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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.