Home / 717,107-1,075,666.64-204,770.82

Finding the Fourth Proportional to 717,107, 1,075,666.64 and 204,770.82

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Solution

The fourth proportional to 717,107, 1,075,666.64 and 204,770.82 is: 307,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,107 : 1,075,666.64 = 204,770.82 : x
  2. Step 2: Convert to fraction form
    717,107/1,075,666.64 = 204,770.82/x
  3. Step 3: Cross multiply
    717,107x = 1,075,666.64 × 204,770.82
  4. Step 4: Simplify right side
    717,107x = 220,265,139,919.45
  5. Step 5: Solve for x
    x = 220,265,139,919.45/717,107
  6. Step 6: Final answer
    x = 307,157.98

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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.