Home / 775,091-1,162,641.36-214,130.36

Finding the Fourth Proportional to 775,091, 1,162,641.36 and 214,130.36

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Solution

The fourth proportional to 775,091, 1,162,641.36 and 214,130.36 is: 321,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,091 : 1,162,641.36 = 214,130.36 : x
  2. Step 2: Convert to fraction form
    775,091/1,162,641.36 = 214,130.36/x
  3. Step 3: Cross multiply
    775,091x = 1,162,641.36 × 214,130.36
  4. Step 4: Simplify right side
    775,091x = 248,956,812,967.69
  5. Step 5: Solve for x
    x = 248,956,812,967.69/775,091
  6. Step 6: Final answer
    x = 321,196.88

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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.