Home / 1,162,187.82-1,742,283.18-403,930.76

Finding the Fourth Proportional to 1,162,187.82, 1,742,283.18 and 403,930.76

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Solution

The fourth proportional to 1,162,187.82, 1,742,283.18 and 403,930.76 is: 605,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,187.82 : 1,742,283.18 = 403,930.76 : x
  2. Step 2: Convert to fraction form
    1,162,187.82/1,742,283.18 = 403,930.76/x
  3. Step 3: Cross multiply
    1,162,187.82x = 1,742,283.18 × 403,930.76
  4. Step 4: Simplify right side
    1,162,187.82x = 703,761,760,321.20
  5. Step 5: Solve for x
    x = 703,761,760,321.20/1,162,187.82
  6. Step 6: Final answer
    x = 605,549.08

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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.