Home / 691,176.24-953,707.67-385,185.58

Finding the Fourth Proportional to 691,176.24, 953,707.67 and 385,185.58

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Solution

The fourth proportional to 691,176.24, 953,707.67 and 385,185.58 is: 531,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,176.24 : 953,707.67 = 385,185.58 : x
  2. Step 2: Convert to fraction form
    691,176.24/953,707.67 = 385,185.58/x
  3. Step 3: Cross multiply
    691,176.24x = 953,707.67 × 385,185.58
  4. Step 4: Simplify right side
    691,176.24x = 367,354,439,153.65
  5. Step 5: Solve for x
    x = 367,354,439,153.65/691,176.24
  6. Step 6: Final answer
    x = 531,491.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.