Home / 875,665.76-1,310,939.64-791,619.35

Finding the Fourth Proportional to 875,665.76, 1,310,939.64 and 791,619.35

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Solution

The fourth proportional to 875,665.76, 1,310,939.64 and 791,619.35 is: 1,185,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,665.76 : 1,310,939.64 = 791,619.35 : x
  2. Step 2: Convert to fraction form
    875,665.76/1,310,939.64 = 791,619.35/x
  3. Step 3: Cross multiply
    875,665.76x = 1,310,939.64 × 791,619.35
  4. Step 4: Simplify right side
    875,665.76x = 1,037,765,179,151.34
  5. Step 5: Solve for x
    x = 1,037,765,179,151.34/875,665.76
  6. Step 6: Final answer
    x = 1,185,115.64

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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.