Home / 939,748.16-1,296,853.41-510,028.49

Finding the Fourth Proportional to 939,748.16, 1,296,853.41 and 510,028.49

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Solution

The fourth proportional to 939,748.16, 1,296,853.41 and 510,028.49 is: 703,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,748.16 : 1,296,853.41 = 510,028.49 : x
  2. Step 2: Convert to fraction form
    939,748.16/1,296,853.41 = 510,028.49/x
  3. Step 3: Cross multiply
    939,748.16x = 1,296,853.41 × 510,028.49
  4. Step 4: Simplify right side
    939,748.16x = 661,432,179,969.38
  5. Step 5: Solve for x
    x = 661,432,179,969.38/939,748.16
  6. Step 6: Final answer
    x = 703,839.83

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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.