Home / 762,870.96-1,052,967.60-476,218.44

Finding the Fourth Proportional to 762,870.96, 1,052,967.60 and 476,218.44

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Solution

The fourth proportional to 762,870.96, 1,052,967.60 and 476,218.44 is: 657,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,870.96 : 1,052,967.60 = 476,218.44 : x
  2. Step 2: Convert to fraction form
    762,870.96/1,052,967.60 = 476,218.44/x
  3. Step 3: Cross multiply
    762,870.96x = 1,052,967.60 × 476,218.44
  4. Step 4: Simplify right side
    762,870.96x = 501,442,587,842.54
  5. Step 5: Solve for x
    x = 501,442,587,842.54/762,870.96
  6. Step 6: Final answer
    x = 657,309.84

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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.