Home / 695,101.60-1,042,652.40-685,770.40

Finding the Fourth Proportional to 695,101.60, 1,042,652.40 and 685,770.40

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Solution

The fourth proportional to 695,101.60, 1,042,652.40 and 685,770.40 is: 1,028,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,101.60 : 1,042,652.40 = 685,770.40 : x
  2. Step 2: Convert to fraction form
    695,101.60/1,042,652.40 = 685,770.40/x
  3. Step 3: Cross multiply
    695,101.60x = 1,042,652.40 × 685,770.40
  4. Step 4: Simplify right side
    695,101.60x = 715,020,153,408.96
  5. Step 5: Solve for x
    x = 715,020,153,408.96/695,101.60
  6. Step 6: Final answer
    x = 1,028,655.60

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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.