Home / 1,006,462.48-1,388,939.40-553,754.32

Finding the Fourth Proportional to 1,006,462.48, 1,388,939.40 and 553,754.32

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Solution

The fourth proportional to 1,006,462.48, 1,388,939.40 and 553,754.32 is: 764,192.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,462.48 : 1,388,939.40 = 553,754.32 : x
  2. Step 2: Convert to fraction form
    1,006,462.48/1,388,939.40 = 553,754.32/x
  3. Step 3: Cross multiply
    1,006,462.48x = 1,388,939.40 × 553,754.32
  4. Step 4: Simplify right side
    1,006,462.48x = 769,131,192,968.21
  5. Step 5: Solve for x
    x = 769,131,192,968.21/1,006,462.48
  6. Step 6: Final answer
    x = 764,192.61

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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.