Home / 939,824.20-1,296,954.10-510,104.30

Finding the Fourth Proportional to 939,824.20, 1,296,954.10 and 510,104.30

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Solution

The fourth proportional to 939,824.20, 1,296,954.10 and 510,104.30 is: 703,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,824.20 : 1,296,954.10 = 510,104.30 : x
  2. Step 2: Convert to fraction form
    939,824.20/1,296,954.10 = 510,104.30/x
  3. Step 3: Cross multiply
    939,824.20x = 1,296,954.10 × 510,104.30
  4. Step 4: Simplify right side
    939,824.20x = 661,581,863,312.63
  5. Step 5: Solve for x
    x = 661,581,863,312.63/939,824.20
  6. Step 6: Final answer
    x = 703,942.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.