Home / 860,932.47-1,291,585.53-261,878.06

Finding the Fourth Proportional to 860,932.47, 1,291,585.53 and 261,878.06

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Solution

The fourth proportional to 860,932.47, 1,291,585.53 and 261,878.06 is: 392,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,932.47 : 1,291,585.53 = 261,878.06 : x
  2. Step 2: Convert to fraction form
    860,932.47/1,291,585.53 = 261,878.06/x
  3. Step 3: Cross multiply
    860,932.47x = 1,291,585.53 × 261,878.06
  4. Step 4: Simplify right side
    860,932.47x = 338,237,912,920.47
  5. Step 5: Solve for x
    x = 338,237,912,920.47/860,932.47
  6. Step 6: Final answer
    x = 392,873.92

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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.