Home / 1,405,823.57-1,940,045.83-761,243.75

Finding the Fourth Proportional to 1,405,823.57, 1,940,045.83 and 761,243.75

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Solution

The fourth proportional to 1,405,823.57, 1,940,045.83 and 761,243.75 is: 1,050,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,823.57 : 1,940,045.83 = 761,243.75 : x
  2. Step 2: Convert to fraction form
    1,405,823.57/1,940,045.83 = 761,243.75/x
  3. Step 3: Cross multiply
    1,405,823.57x = 1,940,045.83 × 761,243.75
  4. Step 4: Simplify right side
    1,405,823.57x = 1,476,847,757,298.51
  5. Step 5: Solve for x
    x = 1,476,847,757,298.51/1,405,823.57
  6. Step 6: Final answer
    x = 1,050,521.41

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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.