Home / 939,344.46-1,409,185.18-440,695.50

Finding the Fourth Proportional to 939,344.46, 1,409,185.18 and 440,695.50

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Solution

The fourth proportional to 939,344.46, 1,409,185.18 and 440,695.50 is: 661,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,344.46 : 1,409,185.18 = 440,695.50 : x
  2. Step 2: Convert to fraction form
    939,344.46/1,409,185.18 = 440,695.50/x
  3. Step 3: Cross multiply
    939,344.46x = 1,409,185.18 × 440,695.50
  4. Step 4: Simplify right side
    939,344.46x = 621,021,567,492.69
  5. Step 5: Solve for x
    x = 621,021,567,492.69/939,344.46
  6. Step 6: Final answer
    x = 661,122.30

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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.