Home / 717,217.28-1,075,107.11-333,235.89

Finding the Fourth Proportional to 717,217.28, 1,075,107.11 and 333,235.89

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Solution

The fourth proportional to 717,217.28, 1,075,107.11 and 333,235.89 is: 499,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,217.28 : 1,075,107.11 = 333,235.89 : x
  2. Step 2: Convert to fraction form
    717,217.28/1,075,107.11 = 333,235.89/x
  3. Step 3: Cross multiply
    717,217.28x = 1,075,107.11 × 333,235.89
  4. Step 4: Simplify right side
    717,217.28x = 358,264,277,011.65
  5. Step 5: Solve for x
    x = 358,264,277,011.65/717,217.28
  6. Step 6: Final answer
    x = 499,519.86

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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.