Home / 1,109,187.40-1,530,678.60-599,889.76

Finding the Fourth Proportional to 1,109,187.40, 1,530,678.60 and 599,889.76

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Solution

The fourth proportional to 1,109,187.40, 1,530,678.60 and 599,889.76 is: 827,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,187.40 : 1,530,678.60 = 599,889.76 : x
  2. Step 2: Convert to fraction form
    1,109,187.40/1,530,678.60 = 599,889.76/x
  3. Step 3: Cross multiply
    1,109,187.40x = 1,530,678.60 × 599,889.76
  4. Step 4: Simplify right side
    1,109,187.40x = 918,238,417,991.14
  5. Step 5: Solve for x
    x = 918,238,417,991.14/1,109,187.40
  6. Step 6: Final answer
    x = 827,847.86

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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.