Home / 717,269.82-1,075,903.05-218,633.82

Finding the Fourth Proportional to 717,269.82, 1,075,903.05 and 218,633.82

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Solution

The fourth proportional to 717,269.82, 1,075,903.05 and 218,633.82 is: 327,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,269.82 : 1,075,903.05 = 218,633.82 : x
  2. Step 2: Convert to fraction form
    717,269.82/1,075,903.05 = 218,633.82/x
  3. Step 3: Cross multiply
    717,269.82x = 1,075,903.05 × 218,633.82
  4. Step 4: Simplify right side
    717,269.82x = 235,228,793,771.15
  5. Step 5: Solve for x
    x = 235,228,793,771.15/717,269.82
  6. Step 6: Final answer
    x = 327,950.22

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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.