Home / 517,282.24-775,065.12-180,144.64

Finding the Fourth Proportional to 517,282.24, 775,065.12 and 180,144.64

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Solution

The fourth proportional to 517,282.24, 775,065.12 and 180,144.64 is: 269,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,282.24 : 775,065.12 = 180,144.64 : x
  2. Step 2: Convert to fraction form
    517,282.24/775,065.12 = 180,144.64/x
  3. Step 3: Cross multiply
    517,282.24x = 775,065.12 × 180,144.64
  4. Step 4: Simplify right side
    517,282.24x = 139,623,827,018.96
  5. Step 5: Solve for x
    x = 139,623,827,018.96/517,282.24
  6. Step 6: Final answer
    x = 269,918.08

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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.