Home / 1,219,178.54-1,682,521.76-675,314.25

Finding the Fourth Proportional to 1,219,178.54, 1,682,521.76 and 675,314.25

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Solution

The fourth proportional to 1,219,178.54, 1,682,521.76 and 675,314.25 is: 931,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,178.54 : 1,682,521.76 = 675,314.25 : x
  2. Step 2: Convert to fraction form
    1,219,178.54/1,682,521.76 = 675,314.25/x
  3. Step 3: Cross multiply
    1,219,178.54x = 1,682,521.76 × 675,314.25
  4. Step 4: Simplify right side
    1,219,178.54x = 1,136,230,920,463.08
  5. Step 5: Solve for x
    x = 1,136,230,920,463.08/1,219,178.54
  6. Step 6: Final answer
    x = 931,964.34

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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.