Home / 875,958.30-1,313,937.45-541,128.60

Finding the Fourth Proportional to 875,958.30, 1,313,937.45 and 541,128.60

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Solution

The fourth proportional to 875,958.30, 1,313,937.45 and 541,128.60 is: 811,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,958.30 : 1,313,937.45 = 541,128.60 : x
  2. Step 2: Convert to fraction form
    875,958.30/1,313,937.45 = 541,128.60/x
  3. Step 3: Cross multiply
    875,958.30x = 1,313,937.45 × 541,128.60
  4. Step 4: Simplify right side
    875,958.30x = 711,009,132,806.07
  5. Step 5: Solve for x
    x = 711,009,132,806.07/875,958.30
  6. Step 6: Final answer
    x = 811,692.90

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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.