Home / 860,727.68-1,291,089.32-261,686.24

Finding the Fourth Proportional to 860,727.68, 1,291,089.32 and 261,686.24

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Solution

The fourth proportional to 860,727.68, 1,291,089.32 and 261,686.24 is: 392,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,727.68 : 1,291,089.32 = 261,686.24 : x
  2. Step 2: Convert to fraction form
    860,727.68/1,291,089.32 = 261,686.24/x
  3. Step 3: Cross multiply
    860,727.68x = 1,291,089.32 × 261,686.24
  4. Step 4: Simplify right side
    860,727.68x = 337,860,309,654.96
  5. Step 5: Solve for x
    x = 337,860,309,654.96/860,727.68
  6. Step 6: Final answer
    x = 392,528.69

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1.5x scale

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.