Home / 513,716.13-770,382.63-176,661.36

Finding the Fourth Proportional to 513,716.13, 770,382.63 and 176,661.36

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Solution

The fourth proportional to 513,716.13, 770,382.63 and 176,661.36 is: 264,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,716.13 : 770,382.63 = 176,661.36 : x
  2. Step 2: Convert to fraction form
    513,716.13/770,382.63 = 176,661.36/x
  3. Step 3: Cross multiply
    513,716.13x = 770,382.63 × 176,661.36
  4. Step 4: Simplify right side
    513,716.13x = 136,096,843,136.18
  5. Step 5: Solve for x
    x = 136,096,843,136.18/513,716.13
  6. Step 6: Final answer
    x = 264,926.16

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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.