Home / 1,492,320.51-2,238,800.31-481,499.64

Finding the Fourth Proportional to 1,492,320.51, 2,238,800.31 and 481,499.64

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Solution

The fourth proportional to 1,492,320.51, 2,238,800.31 and 481,499.64 is: 722,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,320.51 : 2,238,800.31 = 481,499.64 : x
  2. Step 2: Convert to fraction form
    1,492,320.51/2,238,800.31 = 481,499.64/x
  3. Step 3: Cross multiply
    1,492,320.51x = 2,238,800.31 × 481,499.64
  4. Step 4: Simplify right side
    1,492,320.51x = 1,077,981,543,296.89
  5. Step 5: Solve for x
    x = 1,077,981,543,296.89/1,492,320.51
  6. Step 6: Final answer
    x = 722,352.56

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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.