Home / 975,654.18-1,346,241.87-612,819.54

Finding the Fourth Proportional to 975,654.18, 1,346,241.87 and 612,819.54

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Solution

The fourth proportional to 975,654.18, 1,346,241.87 and 612,819.54 is: 845,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,654.18 : 1,346,241.87 = 612,819.54 : x
  2. Step 2: Convert to fraction form
    975,654.18/1,346,241.87 = 612,819.54/x
  3. Step 3: Cross multiply
    975,654.18x = 1,346,241.87 × 612,819.54
  4. Step 4: Simplify right side
    975,654.18x = 825,003,323,502.14
  5. Step 5: Solve for x
    x = 825,003,323,502.14/975,654.18
  6. Step 6: Final answer
    x = 845,589.90

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1.5x scale

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.