Home / 781,522.80-1,171,409.40-444,724.80

Finding the Fourth Proportional to 781,522.80, 1,171,409.40 and 444,724.80

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Solution

The fourth proportional to 781,522.80, 1,171,409.40 and 444,724.80 is: 666,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,522.80 : 1,171,409.40 = 444,724.80 : x
  2. Step 2: Convert to fraction form
    781,522.80/1,171,409.40 = 444,724.80/x
  3. Step 3: Cross multiply
    781,522.80x = 1,171,409.40 × 444,724.80
  4. Step 4: Simplify right side
    781,522.80x = 520,954,811,133.12
  5. Step 5: Solve for x
    x = 520,954,811,133.12/781,522.80
  6. Step 6: Final answer
    x = 666,589.40

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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.