Home / 729,117.20-1,093,675.80-462,011.60

Finding the Fourth Proportional to 729,117.20, 1,093,675.80 and 462,011.60

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Solution

The fourth proportional to 729,117.20, 1,093,675.80 and 462,011.60 is: 693,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,117.20 : 1,093,675.80 = 462,011.60 : x
  2. Step 2: Convert to fraction form
    729,117.20/1,093,675.80 = 462,011.60/x
  3. Step 3: Cross multiply
    729,117.20x = 1,093,675.80 × 462,011.60
  4. Step 4: Simplify right side
    729,117.20x = 505,290,906,239.28
  5. Step 5: Solve for x
    x = 505,290,906,239.28/729,117.20
  6. Step 6: Final answer
    x = 693,017.40

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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.