Home / 959,076.40-1,436,719.20-486,101.20

Finding the Fourth Proportional to 959,076.40, 1,436,719.20 and 486,101.20

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Solution

The fourth proportional to 959,076.40, 1,436,719.20 and 486,101.20 is: 728,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,076.40 : 1,436,719.20 = 486,101.20 : x
  2. Step 2: Convert to fraction form
    959,076.40/1,436,719.20 = 486,101.20/x
  3. Step 3: Cross multiply
    959,076.40x = 1,436,719.20 × 486,101.20
  4. Step 4: Simplify right side
    959,076.40x = 698,390,927,183.04
  5. Step 5: Solve for x
    x = 698,390,927,183.04/959,076.40
  6. Step 6: Final answer
    x = 728,191.13

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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.