Home / 1,109,275.60-1,530,800.44-599,978

Finding the Fourth Proportional to 1,109,275.60, 1,530,800.44 and 599,978

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Solution

The fourth proportional to 1,109,275.60, 1,530,800.44 and 599,978 is: 827,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,275.60 : 1,530,800.44 = 599,978 : x
  2. Step 2: Convert to fraction form
    1,109,275.60/1,530,800.44 = 599,978/x
  3. Step 3: Cross multiply
    1,109,275.60x = 1,530,800.44 × 599,978
  4. Step 4: Simplify right side
    1,109,275.60x = 918,446,586,390.32
  5. Step 5: Solve for x
    x = 918,446,586,390.32/1,109,275.60
  6. Step 6: Final answer
    x = 827,969.70

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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.