Home / 1,188,967.72-1,782,360.78-514,624.36

Finding the Fourth Proportional to 1,188,967.72, 1,782,360.78 and 514,624.36

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Solution

The fourth proportional to 1,188,967.72, 1,782,360.78 and 514,624.36 is: 771,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,967.72 : 1,782,360.78 = 514,624.36 : x
  2. Step 2: Convert to fraction form
    1,188,967.72/1,782,360.78 = 514,624.36/x
  3. Step 3: Cross multiply
    1,188,967.72x = 1,782,360.78 × 514,624.36
  4. Step 4: Simplify right side
    1,188,967.72x = 917,246,275,696.60
  5. Step 5: Solve for x
    x = 917,246,275,696.60/1,188,967.72
  6. Step 6: Final answer
    x = 771,464.41

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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.